Complex sentence: He had a very unpleasant childhood due to his abusive parents and tried his hardest to develop psychic powers to try to over come the abuse be later lovingly says that Gregg was the one that saved him.
Split into simpler sentences: He had a very unpleasant childhood due to his abusive parents and tried his hardest to develop psychic powers to try to over come the abuse. He later lovingly says that Gregg was the one that saved him.