When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
When dragonflies mate, their tails form a love heart.
22
For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130