When children are very young you read them books that are positive to help them go to sleep. But there comes a moment when they begin to understand the difficulties of the world. They know there are problems and the books they read should reflect that not gloss over them.
There's much to be said for feeling numb. Time passes more quickly. You eat less and because numbness encourages laziness you do fewer things good or bad and the world's probably a better place for it.