well, I wish I were writing with advise, but I have got the same thing going on with my daughter 31/2. I have eliminated time out because it does not work. so now I try to work things through with her in a calm state. Problem is dd is usually all worked up about whatever limitations I am putting on her and won't listen. It is extrememy frusterating. and the whining, oh my, it drives me crazy. sometimes she acts so mean, and I am like "where did she learn to say that or make that face?" the worst part is when I realize she is mimicing me. I have to say no a million times a day. In the beginning I reserved that word, no, for serious stuff, and was more creative like "please use soft touches with your brother" instead of "stop being so rough" but she doesn't listen at all. so now I am no, no, no, stop it right now, and ugggggh! hope someone can give us advice or can suggest the best book to read.