I ... don't think I should. Wouldn't it be giving up on Dean and Sam? They need me to fight Chuck or die trying.

[ There is a part of Jack that would probably genuinely do well starting a new life. Maybe not easily, with his power being what it is and his instability barely under control, but to not be forced into a hunter lifestyle and to be just a person, that could be very good for him. But responsibility was thrust onto his shoulders from the day he was born. He was supposed to do great things, usually to prove that he wasn't Lucifer. ]

Isn't that selfish?