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
Speed dating was invented by a Rabbi in 1999.
45
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
40% of people who are rejected in romantic love slip into clinical depression.
72
Kissing an infection-free partner is good for your teeth!
141
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Couples' personalities converge over time to make partners more and more similar.
235