[ He eyes where Luke's hand moves to, knowing exactly what that means. He was intently focused on Luke's death even when he shouldn't have been. ]

It helps being with someone, I think. So we're not alone with our thoughts. [ He bites his lip like he's not sure he should say something, but... ] Even before this, I used to get flashbacks to things that weren't pleasant. You try to keep them at bay but they go on for as long as you resist them. So you have to let them play out.

The only way I've found to keep them away for longer is to preoccupy your mind with something entirely different. If you're not going to sleep anyway...