Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
A man's beard grows fastest when he anticipates sex.
239
The average person will go on a date at least 100 times before they finally marry.
33
One in five long-term love relationships began with one or both partners being involved with others.
177