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!)
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Couples' personalities converge over time to make partners more and more similar.
235
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Wearing red increases attraction.
30
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
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12