This is a very common sense advice, but I don't think it will do any good in this case. He most likely knows/tried all of this. Reading is a good idea, though,

This is a very common sense advice, but I don't think it will do any good in this case. He most likely knows/tried all of this. Reading is a good idea, though, just not professional books (or not in particular). There's a lot of interesting stuff around if you look a bit.