It's some good advice, but a bit late. About 10 years too late, at that.

Hmmm... there is a big friendship between them, and she does feel it's her fault for what happened to him, so yeah, most probably.

And you really should read the books! They're great! And sometimes you even read them without being converted to Christianity.

But if you are going to read them, make sure you read all 7 in order. Makes more sense that-a-way.