Sounds like she's having a hard go at life.. just a hunch.

Maybe say something like, "I hear what you're saying [with regards to the move/visit] and I'm certain about my decisions. Lets put an end to this conversation as I've been clear with you," and change the subject..? If it's easier to say via text, go for it, then disengage.

Off topic, I assumed you were 19 years old, due to your name LOL