It is the same with anything - you have to learn through your own experience, paying your own way. You can't learn it from a book.

“So what can I do now?" she spoke up a minute later."Nothing," I said. "Just thi…”

“The ground we stand on seems solid enough, but if soemthing happens it can drop…”

“When I open them, most of the books have the smell of an earlier time leaking o…”

“You might think you made a new world or a new self, but your old self is always…”