Two in five people in the world marry their first love.
270
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The single biggest predictor of love is proximity.
30
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
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104