5 Things You Don't Know About Attraction

There are some surprising - and kinda crazy - factors that come into play when choosing a mate or even just a hookup. Like his belly button and the color of your clothing. Intrigued? Read on...

1. Size (of His Gut) Matters
You can tell a lot about a guy's sex drive and fertility before he even drops trou. Men with broad shoulders and a solid chest have a lesser health risk, making them better mates. Meanwhile, guys with a gut have lower levels of testosterone. Low testosterone leads to a lower sex drive and lower fertility.

2. Guys Find Women in This Color More Desirable
A chick in red is more likely to be asked on a date and have more money spent on her. It's because men are influenced by cultural symbols - like Valentine's Day - that associate the color with romance, and primal instincts that link the color with sex. Maybe that's why the butts of some animals turn red when they are ready to mate.

3. This Move Means He's Smitten
When a guy mirrors your moves, he's subconsciously telling you he's interested in you. Sitting the same way as you, doing the same hand motions, and leaning his head in the same direction are all subtle cues that he's attracted. And if he licks his lips after you lick yours, it's a definite sign of desire.

4. Men Do This When They're into Someone
A man will subconsciously position his belly button toward the woman in the room he is most attracted to - even if he's speaking with someone else. (Suss out your competition by checking out which women are pointing their belly buttons at him, since the rule applies to chicks as well!)

5. It's All About Timing
One week you might be craving that beefy guy at the gym, but the next week you have the hots for the slender guy next door. This could be because ovulating women prefer men with masculine features, who would make the strongest, healthiest children. Meanwhile, menstruating women want men with softer, more feminine looks who seem kinder and more cooperative.

Read 5 more crazy facts about attraction.

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Reprinted with permission of Hearst Communications, Inc