[ Surprisingly, he's actually telling the truth. It took the death of a team-mate for him to nearly fall off the wagon last time and although he doesn't have the same kind of support system here, the stress isn't quite as bad either.
That said... it's not that he hasn't thought about it. He has, maybe not every day but often enough. It just hasn't been bad enough for him to give in. ]
You're the best. [ Small smile. ] I'm sorry... I really didn't think there would be anything to tell.