Women rate men more attractive if other women are looking and smiling at him.
17
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
Wearing red increases attraction.
30
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
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