I'm sure this has been asked already but how do you deal with tantrums? I didn't think they would start quite so early (my daughter has been throwing them since she turned a year old) and I don't know what I'm supposed to be doing. She starts wailing, falls on the floor, bangs her head, etc...and always because we won't give her something she wants (cell-phone, etc). Are you supposed to just ignore? Hold them? Something else?