"If it was an indulgence, you don't seem to have got much out of it." He lets John go, finally.

"I relapsed here once. I couldn't..." Couldn't take anymore, except clearly he could have. He's standing here a sober man. But he knows what it's like to want to sink and never surface. "That one night gave me the sense that I could breathe again, and then it pulled me back under. And I wonder if that's not what this is for you?"