Parents receive 1 out of every 5 Valentines.
20
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Kissing an infection-free partner is good for your teeth!
141
The average person will go on a date at least 100 times before they finally marry.
33
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Couples' personalities converge over time to make partners more and more similar.
235