Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44