A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Couples' personalities converge over time to make partners more and more similar.
235
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
One in five long-term love relationships began with one or both partners being involved with others.
177
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
The average person will go on a date at least 100 times before they finally marry.
33
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234