When I accidentally do something that Anna wants to do herself, Anna will undo it, (practically) knock me down and out of the way while saying, "Oh, I'm sorry, I'll do that."
She's also getting into manners and saying excuse me, please, thank you, and you're welcome although not as consistently as I'd like. She also is finally asking me nicely for help ("Mommy, will you please help me find my doll?"). This is not to say that there aren't still freak-outs but it's nice to be in such a polite stage!