It is also tension of mind for always remembering to acknowledge mutual aid, so as to improve his or her own techniques, understand oneslf, or reset oneself, owing to the presence of the opponent of any kind.
どんな相手でも相手があって初めて技術の向上が出来ることや相手から自身が学べたり初心に帰る事など、相互扶助であるという認識を常に忘れない心の緊張でもある。