There's never any going back, kid. You can only go forward.

[Yael clicks his tongue, shakes his head. He doesn't mean to chide Mithrun, but Yael isn't willing to hold his tongue when Mithrun spouts such blatant lies about himself.]

If you want to move forward, you will. If you don't, you won't. Simple as that. No one else is gonna tell you whether you can be happy or not, and at the end of the day, no one wants to be miserable. That means you too.