If I were beginning my career today I don't think I would take the same direction. Television is at a crossroads at the moment. And although I am not up to date technologically I suspect that somewhere out there people are conveying things about natural history by means other than television and I think if I were beginning today I'd be there.
When you have kids you instantly feel that you do not want to do them wrong. Those dads that go off to Florida and start a new life I couldn't imagine that: seeing my kid once every Christmas every three years. If I'm gone for six days it feels like too much.