When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Speed dating was invented by a Rabbi in 1999.
45
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A man's beard grows fastest when he anticipates sex.
239