A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
When dragonflies mate, their tails form a love heart.
22
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26