So it comes as little surprise that when those fears fail to bear out, people are relieved. I felt it myself when I had positive interactions with strangers. "I think that relief might just be the feeling that we"re sold this message that the world is a scary place," says Sandstrom. "And then you have a chat with some random person, and it goes well, and it"s like, "Maybe the world isn"t so bad after all"."