One in five long-term love relationships began with one or both partners being involved with others.
177
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Couples' personalities converge over time to make partners more and more similar.
235