Let's get one thing straight: Carole Radziwill is not a real Real Housewife. In 1999, Radziwill lost her husband, Anthony (son of Lee Radziwill; nephew of Jacqueline Kennedy Onassis) to cancer, just three weeks after the tragic death of her best friend, Carolyn Bessette Kennedy, and her husband, John F. Kennedy Jr, as well as Bessette's sister Lauren. The award-winning journalist picked up the pieces and went on to publish a memoir, What Remains, a New York Times bestseller. Before the release of Radziwill's second book (now on its second run) The Widow's Guide to Sex and Dating, Andy Cohen offered her a spot on The Real Housewives of New York City. Needless to say, Radziwill accepted, and the rest is tightly-edited history.

"I don't watch reality television," says Radziwill when we meet at her sprawling West Village home. "If I do watch anything like Housewives, it's only to see if they have better lighting than us, or editing. Atlanta and Beverly Hills were off the charts." But Radziwill doesn't need strategic lights to shine; she has the glow of someone with a very healthy love life. Her boyfriend of almost a year, chef Adam Kenworthy, appears every so often with a juice, and they beam at one another with the adoration of a new relationship.

Here, Radziwill discusses her favorite deli breakfast, why she won't step foot in a gym, and the secret to dating in New York City.

Eat intuitively:

"In the morning, I have coffee. I try not to, but I love it. And I have a banana or a bagel with cream cheese. I love the Korean delis. I don't have a relationship with food. I pretty much eat whatever is in front of me. I don't have a relationship with alcohol either. I know some people that I work with that are like, 'Let's get a cocktail or rosé.' I'll just have a dirty martini. Although Adam makes fresh margaritas that are amazing and if all drinks tasted like that, I'd probably be an alcoholic, but they don't. I don't like cleanses, and I don't believe in them. You know what the cleanse is? Don't eat for a whole day. Don't eat anything. Fasting one day a week is the healthiest thing. You'll live to 100."

Kathryn Wirsing

Skip the gym:

"Honestly, I was never into going to gyms. I just don't like the culture. I never knew how to switch my clothes. Lugging around gym clothes and sneakers and stuff, I just could never. My body doesn't change too much. I'm the same exact weight as I was in eleventh grade of high school. Even if I eat a lot, I don't gain weight. And if I don't eat, I don't lose weight. It's just flat. But I hate all that skinny shaming that goes on: 'You're too skinny, eat a burger!'. You would never say that to someone who is ten pounds overweight ever. I'm not starving myself. I'm just naturally thin. This is who I am. This is what I eat. Ten cheeseburgers or a salad, I stay the same weight. I like to say that God gave me a good metabolism and a nice ass, but again, there's a whole bunch of other issues, so it all evens out."

Kathryn Wirsing

Get serious about skincare:

"Adam stays over a lot and I'm thinking, 'You really have to stay home because I need to do my skincare!' It's not really hot to have the [LED] red light on you and be like, 'Don't talk to me. I'm red-lighting.' I do it when he's not here. I like to lie in bed and binge watch television with my LightStim. It was originally used by NASA astronauts to heal wounds while in space. Twenty minutes a night and you start to see results. I alternate between products because your skin gets used to it, and it's not as effective. So right now I'm using the Environ nighttime mask.They make some of the best products ever. They only make them in South Africa. I love my DermaRoller. Anything that hurts and makes you bruise is working.For makeup, I love the La Prairie Skin Caviar Foundation, Amazing Cosmetics concealer, and Chanel translucent powder that all the makeup artists use."

Kathryn Wirsing

Find a signature scent:

"It's original Egyptian musk oil. I used to get it from the men in the subway who sell the incense, but now those guys have all been run out of town. For a long time I was despondent because I didn't know where to get it. But then I was walking along Third Avenue right by the Ace Hotel, and found it at one of the perfumeries. I get it by the medicine jar and I just pour it into this little one. It's very unisex, but feminine."

Kathryn Wirsing

Never chase men:

"I'm the queen of first dates. I can go on a thousand first dates, and I always have a good time. I'm not a girl who has ever chased men. I like them, but I don't get myself worked up for them, and I don't get validation from them. I don't think of them as a prize. Usually men in my life have been men who are like Adam. He knows what he wants and what he likes. There's no gaming or chasing. I guess I'm just old fashioned.I think men are biologically hardwired to chase, and if you don't allow them to do that, subconsciously, they feel like there's something not right about the relationship. But you have to as a woman give a man an inkling that you are interested."

Kathryn Wirsing

Makeup by Dominique Samuel. Hair by Miguel Lledo.

Watch the season 7 finale of The Real Housewives of New York City tonight on Bravo, 9/8c.

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