The concept of doing holiday episodes is a huge part of what's fantastic about doing TV. And viewers agree; you see the numbers going up for holiday episodes.
When it is working, you completely go into another place, you're tapping into things that are totally universal, completely beyond your ego and your own self. That's what it's all about.
I think I'm in better shape now than I was 10 years ago, but it takes a bigger toll - I get back pain!