One in five long-term love relationships began with one or both partners being involved with others.
177
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Wearing red increases attraction.
30
The single biggest predictor of love is proximity.
30
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
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
Two in five people in the world marry their first love.
270
