"W-" Pietro blinked, glancing down at his legs. Clearly this was not the question he had expected. "Um..." It was really rather awkward, now that he thought of it, hard to explain without sounding...no, just hard to explain period. There was nothing to compare this to.
"He shot my knees last year. They fixed them, but then he ripped them out again after I...hit him," he finished, flushing and looking rather ashamed by the whole matter.