person A: My mother in law does not know how to mind her business_comma_ I don't understand why she has to be so undermining to us.
person B: What a jerk! Why is she always in your biz?
person A: I don't think she has any idea how nosy and irritating she is.  She continually will tell our girls how their father and I are doing things wrong.
person B: I would get up in her face and show her who's boss. Break out the broom and crack it across her old_comma_ measly back!