Generally speaking, books don’t cause much harm. Except when you read them, that is. Then they cause all kinds of problems. Books can, for example, give you ideas. I don’t know if you’ve ever had an idea before, but, if you have, you know how much trouble an idea can get you into.
Really, becoming a writer sounds more like a mental illness than a professional choice.
I think the only way to get through this life is laughing hard and constantly, mostly at myself.
A library is infinity under a roof.