I think Momof4 said it ~ not easy but how horrible to get up dreading your day.
This business can make you burn out fast - you know your limit and you should listen to it.
Giving someone their notice is not easy - good luck if that is the route you go (and don't feel bad about it if you do)
Oh she is burning me out fast!! I have never Had a child make me feel so stressed and upset as this girl makes me feel!!! I have to end it today with this family.