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
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Wearing red increases attraction.
30
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
40% of people who are rejected in romantic love slip into clinical depression.
72