There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The single biggest predictor of love is proximity.
30
Couples' personalities converge over time to make partners more and more similar.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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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 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Raj from the Big Bang Theory is married to Miss India.
11
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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