'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.
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You burn 26 calories in a one minute kiss.
605
Wearing red increases attraction.
30
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Speed dating was invented by a Rabbi in 1999.
45
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
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