Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Kissing an infection-free partner is good for your teeth!
141
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130