Most of all, you have to love what you're doing. Anything you have to do is work. Anything you love to do is play. Put him on a schedule. Never, ever raise a hand or your voice to a child.
Little children become like the environment they live in.
One of those avid Denmarkers is Windy Echols, about to have her sixth child. She said she was blessed when she found Denmark about 10 years ago. She'll spend an hour with you, giving advice and support. She brings sanity and common sense into the home. You can call her at night or on Christmas Eve.