One in five long-term love relationships began with one or both partners being involved with others.
177
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
When dragonflies mate, their tails form a love heart.
22
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130