Some parents do not believe in the idea of privacy or discretion when the topic is one of their children.
If she’s still like this now, with her son nearly grown, she is never going to change.
What she doesn’t realize is that she’s revealing that she wanted a child who would never truly grow up. Theater gays in particular don’t act like women, they act like 13 year old girls: catty, childish, and shallow. She wanted a son who would never love any woman but her, never have children, and never become a full adult... basically, a pet that can talk.