Statistics indicate that more and more frequently, "hookups" are turning into meaningful relationships . While that might sound like a snazzy pickup line, it actually means you might marry someone because of the color of the shirt she was wearing the night you met her. According to science, the world around you is dangerously full of hidden aphrodisiacs that can land you in bed, and even in long-term relationships, with someone who's totally wrong for you.

6 Fear

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The Romantic Notion:

"If two people are meant for one another, it doesn't matter whether they meet in high school or prison -- love will find a way."

Science Says:

"Did you see a comedy or a horror movie on your first date? The answer to that question can determine who you end up sleeping with more than any of the "important" factors you pay attention to."

We tend to think that emotions such as fear and anger cause our hearts to speed up. According to the two-factor theory of emotion, it's the other way around. When you meet a 15-foot-tall grizzly bear in the woods, your body doesn't have time to ask your brain about feelings. Instinct takes over and turns your heart into an internal combustion engine. According to the theory, it's only later that we come up with "an emotional interpretation of that arousal" and decide we were scared.

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Here's where it gets weird. If you experience the symptoms of fear around someone with your preferred brand of sexual organ, your brain will assume that your heart was racing because you were sexually attracted to that person. Seriously. Science even found a way to prove it.



He just crapped his pants, and she's still going to walk away with a crush.

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In a study by Donald G. Dutton and Arthur P. Aron, two groups of males were approached by an attractive female research assistant and were asked to fill out a survey. One group was approached on a solid, railed-in foot bridge that was five feet off the ground, while the other was crossing a "five-foot wide, 450-foot long bridge" that had "a tendency to tilt, sway and wobble" and featured "a 230-foot drop to rocks and shallow rapids below."