What do you do to your books?? Chew on them while reading? I've read and bought paperbacks more than 30 years old. Yeah, I imagine a popular book in a library

What do you do to your books?? Chew on them while reading? I've read and bought paperbacks more than 30 years old. Yeah, I imagine a popular book in a library that's constantly checked out wears out faster, but every 27 year old trade you have is ruined? Seriously?