When dragonflies mate, their tails form a love heart.
22
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Couples' personalities converge over time to make partners more and more similar.
235
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
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
The single biggest predictor of love is proximity.
30
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212