Dd1 went through a little spell, but literally nothing. Dd2 however has been soon the hitting and grabbing scenario for about two moths now. On & off, also triggered by tiredness sometimes, over stimulation but more often than not it's toy related. Her speech is coming a long well but I think she still finds it better to react this way than try to talk. And I end up having to grab her to stop her as she is constantly hitting big sister (3) or pulling hair. Dd2 is 21 months