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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Couples' personalities converge over time to make partners more and more similar.
235
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
