(It wasn't Mom. It was a shell incapable of holding life.) you need to try harder to convince your brother that you aren't a shell incapable of holding life, Brilliant.
I'm conflicted about this mutual depression and malaise, it's always been Sam *or* Dean wanting to give up, but it certainly ties into the ending of the show well and makes a lot of sense. Ow, though. Ow, ow ow.
I hope the writers are as capable as you are of subtlety and ennui as the end approaches. Thanks for sharing this.