Maybe it’s magic lent balls that were under her bed—otherwise, spoil the rod and spoil the child.
Oh, pffft. This is what, generation Z or something? Celebrity family? Can’t tell for sure without investigation but wouldn’t be surprised if mama herself ran around spouting lies in the house and daughter learned that if she was to get along she’d better treat the truth as plastic too. Bad examples ruin the best, ahem, “discipline.” You may not have intended it but that sort of situation does “spoil” “the rod.”