'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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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Wearing red increases attraction.
30
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Speed dating was invented by a Rabbi in 1999.
45
Couples' personalities converge over time to make partners more and more similar.
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