Conversation so far:
What does Stewie B.
Goode have to do with this topic?
When Stewie is revived by Lois, he believes it is a sign for him to be a good boy.
How did Lois revive him?
CANNOTANSWER.
What was Stewie doing when he had to be revived?
As a last resort he tries to kill him by rigging a lifeguard chair with dynamite and luring Brad beneath it with marzipan; however, Stewie's detonator malfunctions.
Why was Stewie trying to kill Brad?
Stewie meets Brad, a child about his age who is the "Star Swimmer." In jealousy, Stewie does everything he can to steal Brad's glory.
What does he try to do to steal Brad's glory?
As a last resort he tries to kill him by rigging a lifeguard chair with dynamite and luring Brad beneath it with marzipan.
Did anyone else get hurt during the dynamite incident?
CANNOTANSWER.

Question: So did Stewie change his behavior after thinking the incident was a sign to be a good boy?
Self-contained rewrite: So did Stewie change his behavior after thinking the incident was a sign to be a good boy?