You seem to be being inconsistent. That's only to be expected when you first learn TTATT.
Are you glad your son has left? Do you want the same for your whole family?
Both my kids and I have left...we all left in our own time and stayed out.
Having school friends is important and putting it on Fb is not really harmful. Let her find her own way and each step out of the WT view as progress and positive.
Kate xx