Conversation so far:
What year did Bruce Lee leave Hong Kong?
In April 1959, Bruce Lee's parents decided to send him to the United States to stay with his older sister, Agnes Lee
Was Bruce Lee young when he left Hong Kong?
Bruce Lee was 18 when he left Hong Kong
How did Bruce Lee feel about leaving?

Question: What did he do after he left?
Self-contained rewrite: What did Bruce Lee do after he left Hong Kong?