When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
Couples' personalities converge over time to make partners more and more similar.
235
When dragonflies mate, their tails form a love heart.
22
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
28
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104