"Sam's different. All the crap he's been through, he needs something nice. Me, I've just gotta survive long enough to make sure he gets it." He takes a sharp breath, letting it out slowly. "All the same, Cas, I can't help but think...when's it gonna be my turn to be the one being taken care of? Sometimes I get so damn tired of taking care of everyone else. Why's it so wrong for me to want to step back once in a while? Why do they so pissed when I try?"

Probably because his timing is bad, but that's not Dean's fault, not really.