My mom offered to live together lexie ed me tiff and her. I said no. My main reason is children…

My mom offered to live together lexie ed me tiff and her. I said no. My main reason is children needs stability and if it kills me im gonna give my daughter that. I want her to know she has a stable home and all that. I didnt growing up. I want it for mine. Am i a mean person for saying no to my mom?