...Because you’re wearing one, you’re mad at anyone else who isn’t. You can’t say with any real certainty or evidence that you know you’re right to wear one, or that the other person is wrong not to. But that’s what you were told, and you believed it. So you decided to get a mask and wear it and yes it’s a pain but you believe it’s part of a noble, collective effort to work together and do something big. And so when you see someone who isn’t wearing a mask, you take it personally. You’ve been told that that person...