YOU SAID:

John pulled so much of his own hair out of his head that he went crazy

INTO JAPANESE

ジョンは頭から自分の髪の毛の大部分を引っ張ったので頭がおかしくなった

BACK INTO ENGLISH

John pulled most of his hair from his head, so his head went crazy

INTO JAPANESE

ジョンは頭から髪の毛の大部分を引っ張ったので、頭がおかしくなった

BACK INTO ENGLISH

John pulled most of his hair from his head, making his head crazy

INTO JAPANESE

ジョンは頭から髪の毛の大部分を引っ張り、頭がおかしくなった

BACK INTO ENGLISH

John pulled most of his hair from his head, making his head crazy