text:  more easily convince themselves that fantasy is reality. Though it never ultimately really works to convince themselves of that. Joy isn't like that. Joy has a little more levity to it. It's like that Chesterton line, the angels can fly because they can take themselves lightly. That's another aspect. It seems to me joyful people don't spend all day thinking about themselves. I know plenty of people who are joyful. I know plenty of people who think about themselves all the time.