Acting advice is a bit like your parents teaching you how to drive a car. You know they're right, but you still kind of want them to shut up a bit.
The years between fifty and seventy are the hardest. You are always being asked to do things, and yet you are not decrepit enough to turn them down.
I'd studied 16th century science and magic. I thought it was strange that people were interested in the same kinds of things my research was about. The more I thought about it, the more intriguing it became and pretty soon I was writing a novel about a reluctant witch and a 1500-year-old vampire.