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
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Wearing red increases attraction.
30
Raj from the Big Bang Theory is married to Miss India.
11
Kissing an infection-free partner is good for your teeth!
141
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26