YOU SAID:
Why do I want you to treat me like I can't act like him when he is with her.
INTO JAPANESE
彼が彼女と一緒にいるとき、私が彼のように振る舞うことができないように私をあなたに扱ってほしいのはなぜですか。
BACK INTO ENGLISH
Why do you want me to treat me so that I can't behave like him when he's with her?
INTO JAPANESE
彼が彼女と一緒にいるときに私が彼のように振る舞うことができないように、なぜ私に私を治療してほしいのですか?
BACK INTO ENGLISH
Why do you want me to treat me so that I can't behave like him when he's with her?
That didn't even make that much sense in English.