Historically, sweat has been an active ingredient in perfume and love potions.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
40% of people who are rejected in romantic love slip into clinical depression.
72
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
One in five long-term love relationships began with one or both partners being involved with others.
177
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25