Women rate men more attractive if other women are looking and smiling at him.
17
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Raj from the Big Bang Theory is married to Miss India.
11
Yawns are more contagious among people with closer relationships.
163
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13