A man's beard grows fastest when he anticipates sex.
239
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Men fall in love faster than women do.
32
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
Historically, sweat has been an active ingredient in perfume and love potions.
309
Parents receive 1 out of every 5 Valentines.
20
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13