It wasn't that she didnt need new clothes, because she did and badly, as well as a house to live in, she was just being stubborn. She had bad experiences with women so mistrust for females was something that came naturally to her, unfortunately. When Tinker Bell had followed Peter on their adventures, usually they were accompanied by Wendy, who Tink hated, or Tigerlily the Indian princess, who Tink hated too but not as much as Wendy. She despised them because they were close to Peter, and Peter had never been capable of understanding her love for him. Yes, he had been a boy but he was at least sixteen in actual human age and he was really the oldest. The leader, and the one that got away. With Wendy.
When the woman failed to get the message, Tink sighed then shook her head from side to side in almost an exaggerated fashion, before trying it again. This time, she moved her tiny lips as she "spoke", using the high pitched bell sounds that were her voice. Human hears were too sensitive to hear pixies unless they came from a world where they learned the language. Just about everyone in her world could understand her, the ones that actually listened anyway, except for the Darlings.
She mouthed the words 'happy' and 'thoughts' making the motions again with her hand, the little bells chiming in time with the words. The woman still had enough pixie dust, if only she could understand. Then she would be able to fly!