The typical person spends about 600 hours having sex between the ages of 20 and 70.
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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.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14