I will get back to my family. And so will you. We're Winchesters, we don't give up.

[ Jack has accepted his situation for now and he will adapt and survive to the best of his ability, but he isn't going to accept that he's separated from his family for the rest of his very long life. He isn't going to spend hundreds of years just sitting here, he is going to solve it eventually, just as he knows Dean and Sam would if they were in his position. ]

You aren't him. [ It's terrible. ] But if our positions were reversed, you would look out for me, and I am not going to let you be somewhere without backup. I am a powerful ally, I can protect you.