You burn 26 calories in a one minute kiss.
605
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
The single biggest predictor of love is proximity.
30
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4