Two in five people in the world marry their first love.
270
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Historically, sweat has been an active ingredient in perfume and love potions.
309
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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