When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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One in five long-term love relationships began with one or both partners being involved with others.
177
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Intelligent men tend to be more sexually faithful.
31
Historically, sweat has been an active ingredient in perfume and love potions.
309
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103