Parents receive 1 out of every 5 Valentines.
20
You burn 26 calories in a one minute kiss.
605
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
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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