Sea otters hold hands while sleeping so they don’t drift away from each other.
104
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Kissing an infection-free partner is good for your teeth!
141
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
Couples' personalities converge over time to make partners more and more similar.
235