Like most animals, we're wired to associate height with power. Helen Fisher animalassociateheight Change image and share on social
Both sexes like the exercise and challenge of sports, but for men it's also a basic display behavior for impressing and winning a mate. Helen Fisher basicbehaviorchallenge Change image and share on social
Any time you choose not to hide your tattoo, you're limiting your social sphere, because they're not popular in big business. Helen Fisher bigbusinesschoose Change image and share on social
I suspect privacy is a very new concept to humanity. Helen Fisher concepthumanityprivacy Change image and share on social
Every time you cuddle with your children, you're likely to be driving down your testosterone. Helen Fisher childcuddledrive Change image and share on social
When chimps threaten, they open their mouth and show their teeth. It's a little like waving a knife in front of you. It's very primitive, and therefore bizarre. Helen Fisher bizarrechimpfront Change image and share on social
In general, men are wired to notice obvious signs that convey interest in mating - a warm smile, for example - and ignore other subtleties, like if your lipstick is faded. Helen Fisher conveyfadegeneral Change image and share on social
Psychologists maintain that the dizzying feeling of intense romantic love lasts only about 18 months to - at best - three years. Helen Fisher dizzyfeltintense Change image and share on social
