Over his stubborn "leadership" of a fratricide, xyxotic quest to nowhere?

I'd be angry and resentful also. The guy started out angry and resentful, most notably over his furlough. Instead of investing in a little constructive therapy, he evidently doubled down on bitterness every chance he got, and sprinkled in a little cray-cray to boot.

A propos of nothing, I just watched the Caine Mutiny. Nice movie.