I would guess that's not true under the surface but I'm not there. Encourage her, show approval and validation, give her something her mother doesn't/hasn't.
Can the 2 of you come up with other ways to have a sitter? Pool your money?
Me 57/H 58 M36 S 2.5yrs R 12/13
Let me give up the need to know why things happen as they do. I will never know and constant wondering is constant suffering. Caroline Myss