One woman studied had gone on as many as 55 of these dates.
In one tribal hunter-gatherer group, if a dominant male tries to take control, the others team up against him and ostracize or desert him.
Conway, the outspoken Trump critic and husband of Kellyanne, spent much of his Mother's Day countering the president's claims about the Mueller investigation and questioning Trump's mental health.
Being Machiavellian doesn't necessarily mean you're a "bad" person, a psychologist told Newsweek on the anniversary of the statesman and writer's birth.
Former Fox News host Bill O'Reilly relayed a bizarre tale of his Baby Boomer experience alongside "narcissistic" millennials and their smartphones during Monday night's sold-out Fleetwood Mac concert at Madison Square Garden.
At work, 'successful' psychopaths make it to the highest echelons of power as they are willing to do whatever is necessary to get what they want.
"LBJ" director and star recall their meetings with "loathsome" Donald Trump before he ran for office.
Crowd size, the popular vote and voter fraud continue to get under Trump's thin skin.
The online rant diverts attention from policies that will hurt working Americans
He exhibits a mean-spirited, thin-skinned, narcissistic and vindictive character.
Superiority complexes start young.
A new study of 800 men between ages of 18 and 40 suggests a heightened chance of antisocial behaviors among social media hounds.