Couples' personalities converge over time to make partners more and more similar.
235
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
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
You burn 26 calories in a one minute kiss.
605
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27