I don't think there's any harm at all in allowing a kid to fantasize. In fact, I think to stop people from fantasizing is a very destructive thing indeed.
J. K. RowlingWhenever he was in company he wanted to get away, and whenever he was alone he wanted company.
J. K. RowlingI DON'T CARE!" Harry yelled at them, snatching up a lunascope and throwing it into the fireplace. "I'VE HAD ENOUGH, I'VE SEEN ENOUGH, I WANT OUT, I WANT IT TO END, I DON'T CARE ANYMORE!" "You do care," said Dumbledore. He had not flinched or made a single move to stop Harry demolishing his office. His expression was calm, almost detached. "You care so much you feel as though you will bleed to death with the pain of it.
J. K. Rowling