One in five long-term love relationships began with one or both partners being involved with others.
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'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
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130