The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
One in five long-term love relationships began with one or both partners being involved with others.
177
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26