Historically, sweat has been an active ingredient in perfume and love potions.
309
When dragonflies mate, their tails form a love heart.
22
Men who kiss their wives in the morning live five years longer than those who don't.
1k
The average person will go on a date at least 100 times before they finally marry.
33
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