YOU SAID:
I didn't know you fisted yourself!
INTO JAPANESE
私はあなたが自分自身を握ったことを知らなかった!
BACK INTO ENGLISH
I did not know that you held yourself!
INTO JAPANESE
私はあなたが自分を抱いていることを知らなかった!
BACK INTO ENGLISH
I did not know that you are embracing yourself!
INTO JAPANESE
私はあなたが自分を抱いていることを知らなかった!
it is unlikely that this phrase will ever reach equilibrium