There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Couples' personalities converge over time to make partners more and more similar.
235
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
Wearing red increases attraction.
30
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22