I have to just admit that she's terribly spoiled. I left her with her aunt this weekend and when I came to get her my SIL said she became a different child. She just acts so much worse when I'm around.
I think some of it is normal age appropriate stuff- I know she feels more comfortable with me than anyone else in the world, but I'm realizing that I let her get away with way too much with me. Drop off for the rest of the week have gone much better. I'm new at this parenting stuff and learning as I go.