When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
One in five long-term love relationships began with one or both partners being involved with others.
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Kissing an infection-free partner is good for your teeth!
141
Historically, sweat has been an active ingredient in perfume and love potions.
309
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
When dragonflies mate, their tails form a love heart.
22
Parents receive 1 out of every 5 Valentines.
20