Yawns are more contagious among people with closer relationships.
163
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Wearing red increases attraction.
30
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
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
Historically, sweat has been an active ingredient in perfume and love potions.
309