Impossible

Well the landlord has decided she wants to keep the deposit because my 4 and 5 year old daughters have fingerprints on our walls.  She also didn't like that she can see that I was washing the wall.  And we aren't even moved out yet!  Really!!  Well, when I move out, I will do what I can to clean the walls, but I do have children, they live here and I haven't figured how to teach them not to actually touch anything in their own home.  Not that I would want them to live that way anyway.

But on the upside, I don't need the deposit, it would just be nice to leave the landlord a happy person when we go.  It just feels impossible.