Costigan set the water down after a moment in order to shift uncomfortably and return his hands to his pockets. Dick's probing questioning made him anxious and he knew he was supposed to be answering -- this was part of the deal -- which only made it worse. After a pregnant pause, the inmate gave a couple small nods and glanced away.

"I've been spending more time in my room and the gym is all. You told me not to rely on the pills, right? I'm trying not to." More like he was trying to wear himself out at the gym so he could actually sleep without everything with Mal keeping him up, to distract him from missing Donny or Parker. Costigan was a master of keeping everything inside, but he still felt it all.