why would you say that

so this older woman said to me that I'm gonna be an awful mum and that i should never have children because I said my opinion on something she didn't like now I'm not gonna be like oh she a Bitch she a bad mum because I dont even no her but she doesn't know me either so why would you say to someone dont have children your gonna be such a bad mum how I love God I respect my mother never back chat my family's members and always babysitting my baby cousins what do you lot think she in the wrong or right