well years in azkaban had slightly deranged him, and he'd been left to brood over peter all that time. and rons leg could be mended pretty fast. now the fat lady seemed a bit much...he needs to control his tempter better. I've never really liked him as much as others seem to, not to say I dislike him because I don't. he's just not My Hero or My Man, or zomg the best character ever.
yes...and it was so sweet of him for sending harry fire bolt