If you’ve ever wondered how some people can have one relationship after another, you’re not alone. Sure, there are certain traits that seem obvious, like physical attractiveness and a smooth talker. But that would be to ignore many other qualities that may be even more important. One of those qualities is playfulness, suggests new research from the…

As a bystander, it’s easy to judge a bad relationship. When your friend’s partner makes disparaging remarks during a disagreement, you see it clearly. That’s not how your friend should be treated . You might even advise them to run away quickly before things get out of hand. But you don’t give yourself that advice when the…