Parents receive 1 out of every 5 Valentines.
20
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14