A man's beard grows fastest when he anticipates sex.
239
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Parents receive 1 out of every 5 Valentines.
20
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
One in five long-term love relationships began with one or both partners being involved with others.
177
Speed dating was invented by a Rabbi in 1999.
45