Well, I think I found a solution. After sleeping on it, I realize I can just change the Wi-Fi access password. And not give it to her, that way she can’t access FaceTime in the house and the kids can still watch TV
M 51 W 46 D14 S13 M 16yrs T17yrs BD 06/25/17 OM Confirmed 06/25/17, ILYBNILWY Did Sep for 1 month, moved back in due to W Finances