Couples' personalities converge over time to make partners more and more similar.
235
You burn 26 calories in a one minute kiss.
605
Raj from the Big Bang Theory is married to Miss India.
11
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
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Historically, sweat has been an active ingredient in perfume and love potions.
309
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12