NEW YORK — What are you doing?
Billy Crystal was in his mid-20s when he began asking himself this. As a substitute teacher on Long Island, he made ends meet for his wife and 6-month-old daughter, but he spent the rest of his time in a New York sketch-comedy troupe on the long road to nowhere. He began having anxiety attacks.
You’re a father. What are you doing?
Janice, his wife, sat him down …