It takes practice to become a good arguer, in the sense of being able to benefit from losing, but fortunately, I've had many, many colleagues who have been willing to step up and provide that practice for me.
敗北から何かを得られるような ― よい議論には練習が必要です でも幸い私には自分から進んで ― 練習の場を与えてくれる 同僚がたくさんいるのです