It's time to cut her off. No one should keep someone that toxic in their life, even if it is their own mother. If someone isn't adding to your life, you should subtract them from it.
I can never take these texts posts seriously. People are so thirsty sometimes, but if this is real, then I'm appalled. Though it's one stupid person out of the billions of stupid people.. What are you gonna do? Get ha out of your life.