Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Sea otters hold hands while sleeping so they don’t drift away from each other.
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Speed dating was invented by a Rabbi in 1999.
45
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Couples' personalities converge over time to make partners more and more similar.
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One in five long-term love relationships began with one or both partners being involved with others.
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