If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
40% of people who are rejected in romantic love slip into clinical depression.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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Wearing red increases attraction.
30
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Sea otters hold hands while sleeping so they don’t drift away from each other.
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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41