A man's beard grows fastest when he anticipates sex.
239
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Men who kiss their wives in the morning live five years longer than those who don't.
1k
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Couples' personalities converge over time to make partners more and more similar.
235
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
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 fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44