"I did a lot of things. I was part of a couple wars, I did street performances to earn money. I tried to help people as best I could. I was a god but I left heaven so I didn't have the same kind of abilities I would have if I stayed."

He was accepted back into the heavens now but he wasn't exactly back home so he couldn't help people in the same ways. But that just means he has to help the people on these worlds to make up for it.