Megan never took a pacifier when she was little, instead she developed a habbit of twisting her hair around her finger. It started out that she twisted my hair, and then when hers got long enough she twisted her own hair. This was ok when she did it just when we was tired, but it has turned into where she is twisting her hair all the time, and not just around her finger-- but around objects as well.
The last straw was when we were sitting at lunch when we realize that her spoon is stuck in her hair.

But it's hard to be too upset at a face like this: