Don't panic. H did the exact same thing to me. You have the right to fight the petition. Whatever reason he is giving for the divorce you have the right to refute that. It doesn't mean the divorce won't happen, but it will certainly buy you some time. Also, you can ask the courts for a continuance to get time to get your own legal representation. Go online and research, research, reasearch. Check the laws in your state and check out legal blogs and even this board to see what you should be asking for.
He is probably controling because some idiot is behind the scene trying to convince him that you will try to take him for a ride. Nevermind, everything he is putting you through.
