Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
'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
You burn 26 calories in a one minute kiss.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Historically, sweat has been an active ingredient in perfume and love potions.
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