When you do 'Before Sunset,' you know while it's a limited audience, there was a very small group of people that love 'Before Sunrise.' You feel a certain pressure to make sure that you uphold a level of quality that has been a bar. You set a bar and you have to at least match it.
Like everyone else, I want to go on dancing forever, but I know the day is going to come when I will have to be doing something else.
I'm very lucky. I'm very fortunate that my books have never gone out of print - none of them.