You burn 26 calories in a one minute kiss.
605
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
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 medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Speed dating was invented by a Rabbi in 1999.
45