YOU SAID:
I am my moms favorite son
INTO JAPANESE
私は私のお母さんが好きな息子です
BACK INTO ENGLISH
I am my favorite son for my mother.
INTO JAPANESE
私は私の母にとって私のお気に入りの息子です。
BACK INTO ENGLISH
I am my favorite son for my mother.
You've done this before, haven't you.