There is an anecdote that Naganori had a psychiatric disease called 'Tsukae,' which made his chest heavy when he was enraged, but whether it was truth or not is uncertain.
また長矩は、感情が激した時に胸が苦しくなる｢痞（つかえ）｣という精神病を持っていたという逸話があるが真相は不明。