It definitely gets challenging at times. I travel a lot more now, and its never easy having to leave the kids, even if its for a few days.
If you enjoy math and you write novels, it's very rare that you'll get a chance to put your math into a novel. I leapt at the chance.
People who don't read seem to me mysterious. I don't know how they think or learn about other people. Novels are a very important part of our education.