40% of people who are rejected in romantic love slip into clinical depression.
72
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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
Men who kiss their wives in the morning live five years longer than those who don't.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
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