Mm, I can understand that. [ he gets self-indulgence very well, though in his case it would be for alcohol and naps rather than violence or revenge. still, he can't really judge that much... he isn't terribly judgmental anyway.

but he thinks he's prooobably getting somewhere. ]

Think of it as this: you only have a limited amount of weaponry or bullets or explosives on this ship. You could use them on her or anyone else and get the satisfaction of winning against your enemy, but they would only return later and perhaps seek revenge. Maybe it'd only be a waste of your weapons when you could save them to use against, say, the Captain.