When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Men who kiss their wives in the morning live five years longer than those who don't.
1k
One in five long-term love relationships began with one or both partners being involved with others.
177
The single biggest predictor of love is proximity.
30
Wearing red increases attraction.
30
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234