Nothing wrong in our relationship. But she wants a car and (no contact with dh and I) grandparents have offered to buy her one. But they 'can't afford' to insure it 'properly' and want to register it at theirs and persuade her to move in rather than insure it to be where she lives at ours.
And I think she will. She's so desperate to have one (and is quite self serving as teenagers can be)