It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Yawns are more contagious among people with closer relationships.
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