Photo: Douglas Zimmerman / SF Gate Image 1 of / 69 Caption Close

Image 2 of 69 Never, ever, ever say Frisco, unless you’re a rap fan or a biker. (Tattoo artist Rodil). Never, ever, ever say Frisco, unless you’re a rap fan or a biker. (Tattoo artist Rodil). Photo: Mike Kepka / The Chronicle

Image 3 of 69 Can close your eyes and conjure up the image of Carol Doda's Hindenburgs. Can close your eyes and conjure up the image of Carol Doda's Hindenburgs. Photo: Ken McLaughlin / The Chronicle

Image 4 of 69 Know the best “secret" spots to take a date and check out the view with a bottle of wine, French bread, salami and brie. Know the best “secret" spots to take a date and check out the view with a bottle of wine, French bread, salami and brie. Photo: Douglas Zimmerman / SF Gate

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Image 6 of 69 Ate It’s-Its as a child (and maybe still do!). Ate It’s-Its as a child (and maybe still do!). Photo: Stephanie Wright Hession / Special to the Chronicle

Image 7 of 69 Know the meaning of "defenestration". (building at Sixth and Howard) Know the meaning of "defenestration". (building at Sixth and Howard) Photo: Paul Chinn / The Chronicle

Image 8 of 69 Know that Zodiac isn't astrology and still wonder who. Know that Zodiac isn't astrology and still wonder who. Photo: Handout / The Chronicle

Image 9 of 69 When someone tells you that they live six blocks from the ocean, your response is not green-eyed beach envy but sympathy that they'll never see the sun. When someone tells you that they live six blocks from the ocean, your response is not green-eyed beach envy but sympathy that they'll never see the sun. Photo: Katy Raddatz / The Chronicle

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Image 11 of 69 Know where the Maltese falcon is. (John’s Grill) Know where the Maltese falcon is. (John’s Grill) Photo: Robert Gauthier / AP

Image 12 of 69 Nearly freeze to death when the temperature plummets below 50... Nearly freeze to death when the temperature plummets below 50... Photo: David Paul Morris / The Chronicle

Image 13 of 69 ...and suffer heatstroke when it ascends above 80. ...and suffer heatstroke when it ascends above 80. Photo: Mike Kepka / The Chronicle

Image 14 of 69 Hand earmuffs to your visiting tourists before walking across the Golden Gate Bridge. Hand earmuffs to your visiting tourists before walking across the Golden Gate Bridge. Photo: Lacy Atkins / The Chronicle

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Image 16 of 69 Consider it a point of honor to find street parking. Consider it a point of honor to find street parking. Photo: Douglas Zimmerman / SF Gate

Image 17 of 69 Never pull up and stop right behind the bumper of a car stopped on a steep uphill grade. Never pull up and stop right behind the bumper of a car stopped on a steep uphill grade. Photo: Douglas Zimmerman / SF Gate

Image 18 of 69 Know the correct answer to the question, "Where'd you go to school?" is your high school. Know the correct answer to the question, "Where'd you go to school?" is your high school. Photo: Michael Macor / The Chronicle

Image 19 of 69 Ignore your navigation system when it says to take Van Ness Avenue. Ignore your navigation system when it says to take Van Ness Avenue. Photo: Douglas Zimmerman / SF Gate

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Image 21 of 69 Consider walking one of the finest methods of transportation. Consider walking one of the finest methods of transportation. Photo: Liz Hafalia / The Chronicle

Image 22 of 69 Know the Tenderloin isn't the choicest cut of a neighborhood. Know the Tenderloin isn't the choicest cut of a neighborhood. Photo: Brant Ward / The Chronicle

Image 23 of 69 Still don't speed in the Presidio because you remember what jerks the MPs were. Still don't speed in the Presidio because you remember what jerks the MPs were. Photo: Joe Rosenthal / The Chronicle

Image 24 of 69 Miss reading Herb Caen first thing in the paper. Miss reading Herb Caen first thing in the paper. Photo: Russell Yip / The Chronicle

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Image 26 of 69 Play dominoes (like these patrons at Sam Jordan's Bar). Play dominoes (like these patrons at Sam Jordan's Bar). Photo: John Storey / Special to the Chronicle

Image 27 of 69 Know where Pacific Heights actually begins and ends—not where the real estate people say it does. Know where Pacific Heights actually begins and ends—not where the real estate people say it does. Photo: Lance Iversen / The Chronicle

Image 28 of 69 Know that there is no 13th Avenue. Know that there is no 13th Avenue. Photo: Douglas Zimmerman / SF Gate

Image 29 of 69 Were a Giants/ 49ers fan when they sucked. Were a Giants/ 49ers fan when they sucked. Photo: Carlos Avila Gonzalez / The Chronicle

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Image 31 of 69 NEVER wear white in the city -- unless you’re the bride. (And if you have to ask why, you can't have been here long...) NEVER wear white in the city -- unless you’re the bride. (And if you have to ask why, you can't have been here long...) Photo: Mike Kepka / The Chronicle

Image 32 of 69 Know that if you hit the lights just right on Bush Street going into the city, you won't hit a red light once. Know that if you hit the lights just right on Bush Street going into the city, you won't hit a red light once. Photo: Douglas Zimmerman / SF Gate

Image 33 of 69 Know all the Muni routes by heart. Know all the Muni routes by heart.

Image 34 of 69 Know where the "banker's heart" is located. (Bank of America Plaza) Know where the "banker's heart" is located. (Bank of America Plaza) Photo: Mark Costantini / The Chronicle

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Image 36 of 69 Go to 10 crab feeds every crab season. Go to 10 crab feeds every crab season. Photo: Sarah Adler / The Chronicle

Image 37 of 69 Still kick yourself for moving out of that rent-controlled unit in Cole Valley in 1983 while your friend is still in the upstairs unit paying $950 a month. Still kick yourself for moving out of that rent-controlled unit in Cole Valley in 1983 while your friend is still in the upstairs unit paying $950 a month. Photo: Steve Castillo / The Chronicle

Image 38 of 69 Tell visiting friends which section of the Bay Bridge fell down in 1989 while driving over it. Tell visiting friends which section of the Bay Bridge fell down in 1989 while driving over it. Photo: Deanne Fitzmaurice / The Chronicle

Image 39 of 69 Drift off to sleep at night and hear the cable car bell and foghorns. Drift off to sleep at night and hear the cable car bell and foghorns. Photo: Alan Smorra / Golden Gate Bridge

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Image 41 of 69 Adore Sutro Tower. Adore Sutro Tower. Photo: Douglas Zimmerman / SF Gate

Image 42 of 69 Know where the bison paddock is in Golden Gate Park. Know where the bison paddock is in Golden Gate Park. Photo: Michael Macor / The Chronicle

Image 43 of 69 Buy books at City Lights, or at least take tourists there. Buy books at City Lights, or at least take tourists there. Photo: Douglas Zimmerman

Image 44 of 69 Call it "The City," just like the old Warriors uniforms. Call it "The City," just like the old Warriors uniforms. Photo: Marcio Jose Sanchez / AP

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Image 46 of 69 Now live in Daly City because of the exorbitant rents in the city but still say you are from SF. Now live in Daly City because of the exorbitant rents in the city but still say you are from SF. Photo: Douglas Zimmerman

Image 47 of 69 Park your car on the sidewalk at the exact moment the street cleaner passes so you can move back into your primo street parking and prevent the drivers chasing the cleaner from stealing your spot. Park your car on the sidewalk at the exact moment the street cleaner passes so you can move back into your primo street parking and prevent the drivers chasing the cleaner from stealing your spot. Photo: Liz Hafalia / The Chronicle

Image 48 of 69 Know when it’s “earthquake weather,” (rare hot and muggy day) such as the weather preceding the Loma Prieta earthquake. Know when it’s “earthquake weather,” (rare hot and muggy day) such as the weather preceding the Loma Prieta earthquake. Photo: Vince Maggiora / The Chronicle

Image 49 of 69 Jaywalk. Jaywalk. Photo: Douglas Zimmerman / SF Gate

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Image 51 of 69 Thought M-80's were legal for Chinese New Years. Thought M-80's were legal for Chinese New Years. Photo: Lance Iversen / The Chronicle

Image 52 of 69 Start all sentences about traveling south of Santa Cruz with, “I have to go to . . .” Start all sentences about traveling south of Santa Cruz with, “I have to go to . . .” Photo: Gabriel Bouys / AFP/Getty Images

Image 53 of 69 Hate the idea of the 49ers moving to Santa Clara. Hate the idea of the 49ers moving to Santa Clara. Photo: Noah Berger / Special to The Chronicle

Image 54 of 69 Won’t spend more than $5 on a dinner burrito... Won’t spend more than $5 on a dinner burrito... Photo: Lacy Atkins / The Chronicle

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Image 56 of 69 ...but you’ll pay $3.50 for the right cookie. ...but you’ll pay $3.50 for the right cookie. Photo: Alex Washburn / The Chronicle

Image 57 of 69 Send tourists to Grant Ave... Send tourists to Grant Ave... Photo: Katy Raddatz / SFC

Image 58 of 69 ...but shop on Stockton. ...but shop on Stockton. Photo: Douglas Zimmerman

Image 59 of 69 Know that Dustin Hoffman was driving in the wrong direction on the bridge in “The Graduate.” Know that Dustin Hoffman was driving in the wrong direction on the bridge in “The Graduate.”

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Image 61 of 69 Remember going into lockdown at school, while your teachers cried, when Dan White shot Mayor Moscone and Harvey Milk. Remember going into lockdown at school, while your teachers cried, when Dan White shot Mayor Moscone and Harvey Milk. Photo: John Storey / The Chronicle

Image 62 of 69 Laugh at the tourists in their windbreakers and white shorts shivering at the bus stops at the Cliff House and Fisherman’s Wharf in "summertime." Laugh at the tourists in their windbreakers and white shorts shivering at the bus stops at the Cliff House and Fisherman’s Wharf in "summertime." Photo: Lacy Atkins / The Chronicle

Image 63 of 69 Had people in your car gasp with terror as you casually went over the crest of Fillmore toward the Marina with your wheels off the ground. Had people in your car gasp with terror as you casually went over the crest of Fillmore toward the Marina with your wheels off the ground. Photo: Douglas Zimmerman / SF Gate

Image 64 of 69 Love the sudden wide-screen view of SF as you drive north on the Bayshore and pass under the Vermont Street overpass. Love the sudden wide-screen view of SF as you drive north on the Bayshore and pass under the Vermont Street overpass. Photo: Douglas Zimmerman / SF Gate

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Image 66 of 69 Own multiple Croix de Candlestick pins. Own multiple Croix de Candlestick pins. Photo: Steve Ringman / Chronicle File

Image 67 of 69 Take visitors around the city and it feels like it's the first time you're seeing it, again, and again, and again. Take visitors around the city and it feels like it's the first time you're seeing it, again, and again, and again. Photo: Noah Berger / Special to The Chronicle

Image 68 of 69 Moved away and found that no place ever felt like home until you moved back. Moved away and found that no place ever felt like home until you moved back. Photo: Frederic Larson / The Chronicle