Wearing red increases attraction.
30
Men who kiss their wives in the morning live five years longer than those who don't.
1k
The single biggest predictor of love is proximity.
30
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
You burn 26 calories in a one minute kiss.
605
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26