Yes, the past can hurt. But I think you can either run from it or learn from it.

Unlike the other levels, there is no escape at this level.

It is the anticipation of enjoyment, and perhaps there is some element of escape in there too.

Many people in their lifetime avoid or do not even seek to find the answer to that question.

Inside books there is perfect space and it is that space which allows the reader to escape from the problems of gravity.