[Arthur owes him this one. This much. And he knows it, and he can't hate it. But his voice is low - resentful, but at himself, not Sheehan.]

Because I opened John's fucking book. Because he used me to- [he picks up the drink, just holding it for a moment.] -to get rid of Parker. The last thing my only friend saw, w-was me-- killing him.

[He lifts his drink, visibly hesitates for a moment, but knocks the entire thing back again.]

It's not about you, doctor. [His tone slows, emphatic and even.] I can't lose anyone again.