Men fall in love faster than women do.
32
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
40% of people who are rejected in romantic love slip into clinical depression.
72
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
Men who kiss their wives in the morning live five years longer than those who don't.
1k
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Parents receive 1 out of every 5 Valentines.
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