When dragonflies mate, their tails form a love heart.
22
Kissing an infection-free partner is good for your teeth!
141
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
Speed dating was invented by a Rabbi in 1999.
45
One in five long-term love relationships began with one or both partners being involved with others.
177
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44