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4 Naughty Guy Traits Explained

Do you wonder why men are cheating left and right? Cosmo spills the science behind some baffling male behaviors!

mmanual_4naughtyguytraitsexplained_main.jpgWho would’ve thought that besides the need for emotional and sexual satisfaction, there are actually valid, scientific reasons behind men’s infidelity? Apparently, the fact alone that a guy is athletic (see Manny Pacquiao) already says a lot about his sex drive and his resulting predisposition to cheating. (That goes for you too, Tiger.)

Want to know what else science has to say about common male mysteries that leave us women scratching our heads? Read on to find out!

1. Babes Make His Brain Malfunction.

Beautiful women can make guys literally go gaga. When a man finds a woman attractive, the visual centers of his brain light up while the cognitive centers slow down. He gets so turned on by the hot girl that his mind becomes focused on what he’s seeing, rather than what he’s thinking.

SOURCE: Daniel G. Amen, MD, author of Sex On The Brain

2. He May Have Been Born To Cheat.

If a man’s ring finger is longer than his index finger, it means he got a big dose of testosterone while in utero. As a result, he will have a higher sex drive...and he may be more prone to straying.

Sources: University of Bath study; Ray Sahelian, MD, author of Natural Sex Boosters

3. You Need To Show Him What You Want...Again.

A guy’s brain can’t recall information the way a woman’s does. So, when it comes to anything—from your favorite dessert to what makes your toes curl—you’ll probably have to refresh his memory...several times.

SOURCE: Mona Lisa Schulz, MD, PhD, author of The New Feminine Brain

4. Sex Makes Him Mushy

The reason guys aren’t as lovey-dovey as women? They have significantly less oxytocin (the get-close hormone) in their systems. But post-orgasm, their hormone levels shoot up by about 500 percent. So, after sex is when a man is best able to bond.

SOURCE: Daniel G. Amen, MD

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