When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
One in five long-term love relationships began with one or both partners being involved with others.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
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
Couples' personalities converge over time to make partners more and more similar.
235
Sea otters hold hands while sleeping so they don’t drift away from each other.
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