YOU SAID:

big brother stir up my insides.

INTO JAPANESE

兄は私の内面をかき混ぜる。

BACK INTO ENGLISH

My older brother stirs me inside.

INTO JAPANESE

私の兄は私の中に私をかき立てる。

BACK INTO ENGLISH

My older brother stirs me inside of me.

INTO JAPANESE

私の兄は私を私の中に入れてくれる。

BACK INTO ENGLISH

My brother places me inside of me.

INTO JAPANESE

私の兄は私を私の中に置きます。

BACK INTO ENGLISH

My brother places me inside of me.