You have to look at each tie and look at what your options are.
It does take a great hunger to be successful at anything.
If you don't want to practice, unless you have a hard-nosed coach, you don't have to.
Tennis doesn't encourage any kind of intellectual development.
Sports for me is when a guy walks off the court, and you really can't tell whether he won or lost, when he carries himself with pride either way.
I think there's no reason the Davis Cup couldn't be as powerful and popular and profitable as any of the four majors are today, given some changes.