'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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Couples' personalities converge over time to make partners more and more similar.
235
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The average person will go on a date at least 100 times before they finally marry.
33
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Kissing an infection-free partner is good for your teeth!
141
40% of people who are rejected in romantic love slip into clinical depression.
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