If I go back to the beginning, I could start it over again. I could go line by line try and find a shorter way. I could try to make it... better.

One [of the two ideas for PROOF] was to write about two sisters who are quarreling over the legacy of something left behind by their father. The other was about someone who knew that her parent had had problems of mental illness [and that] she might be going through the same thing.

Spending time with math people is a lot of fun. As a result of the play, I've had semi-drunken dinners with mathematicians all over the country. I recommend the experience.