You burn 26 calories in a one minute kiss.
605
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The single biggest predictor of love is proximity.
30
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
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Wearing red increases attraction.
30