It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Intelligent men tend to be more sexually faithful.
31
Women rate men more attractive if other women are looking and smiling at him.
17
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Historically, sweat has been an active ingredient in perfume and love potions.
309
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12