YOU SAID:

I just feel broken when she with other man

INTO JAPANESE

私は彼女が他の人と一緒にいるときだけ壊れていると感じます

BACK INTO ENGLISH

I only feel broken when she is with other people

INTO JAPANESE

彼女が他の人と一緒にいるときにだけ私は壊れていると感じる

BACK INTO ENGLISH

I only feel broken when she is with other people