A man's beard grows fastest when he anticipates sex.
239
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Kissing an infection-free partner is good for your teeth!
141
Couples' personalities converge over time to make partners more and more similar.
235
For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
When dragonflies mate, their tails form a love heart.
22
Sea otters hold hands while sleeping so they don’t drift away from each other.
104