When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The single biggest predictor of love is proximity.
30
You burn 26 calories in a one minute kiss.
605
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
40% of people who are rejected in romantic love slip into clinical depression.
72
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