A man's beard grows fastest when he anticipates sex.
239
Couples' personalities converge over time to make partners more and more similar.
235
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
When dragonflies mate, their tails form a love heart.
22
The single biggest predictor of love is proximity.
30
'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.
605