"You don't--I don't--you--" he stammers, then shakes his head. "You know what? You don't know what you're talking about. You may be immortal, but you're still human, and I'm not. This is what I'm meant to be doing, this is what I'm supposed to be doing, this is just what a Celestial does with their life, okay?"

You'll be just as sad as you are right now. But there'll be nothing left to fix it.