"You went looking? After how long? What if I had never been freed by my master? Were you ever planning to try and come back?"

He doesn't know why he's so heated. In actuality, he hasn't read Journey to the West at all. He's just feeling attacked.

"Yeah, so I lost my temper. You put me in my place. Fine. Whatever. But you had a few centuries of doing who knows what until you pulled what you did! I didn't make you that way."