New York Magazine:
Harry Potter nerds, remember the scene in the first book when the kids defeat the troll? There’s a great line at the end of the chapter that goes, “There are some things you can’t share without ending up liking each other, and knocking out a twelve-foot mountain troll is one of them.” Now some new research delves into that notion, further solidifying the idea that sharing a stressful or painful experience with other people helps bond us together.
The Association of Psychological Science describes the experiments like so:
In the first experiment, the researchers randomly assigned 54 students to perform either a painful task or a similar, relatively painless, task in small groups. The students submerged their hand in a bucket of water and were tasked with locating metal balls in the water and placing them into a small underwater container. For some, the water was painfully cold, while for others the water was room temperature.
Read the whole story: New York Magazine