When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Couples' personalities converge over time to make partners more and more similar.
235
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
The single biggest predictor of love is proximity.
30
Historically, sweat has been an active ingredient in perfume and love potions.
309
When dragonflies mate, their tails form a love heart.
22
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278