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
Men fall in love faster than women do.
32
Historically, sweat has been an active ingredient in perfume and love potions.
309
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103