Conversation so far:
Is Stephen Hillenburg married?
Hillenburg's wife, Karen.
What does she do?
a chef who teaches at the New School of Cooking in Culver City, California.
Do they have children?
He would jam with his son who is a drummer.
What did he do with his free time?
He also enjoys birdwatching at home.

Question: anything else?
Self-contained rewrite: Does Stephen Hillenburg do anything else with his free time besides birdwatching?