Madaline bit me - and bit me hard - to the point, I didn't think I was going to get her jaw unclamped from my shoulder, and I thought for sure when she did let go, that she was going to have flesh between her teeth. My shoulder is black & blue where she decided to make a snack out of it, and a bit sore & tender to the touch. *damn bra strap!*
So, this seems a bit early, in my opinion, for this type of behavior. I spoke with the sitter this morning, and beside Madaline's obsession with pulling hair, biting has not been a issue.