Help them to resolve cognitively a secure controlled environment, where they can be safe and secure, and improve upon the unhappiness in their life. Try to create a fun and unique arena to the family structure. Family movie night, popcorn and candy, or a Sunday drive. Creating fun times are fun for all. The goal of good sitting is not to degrade or control the child, but to teach the child positive self-control, and not institute a control battle.
Adults reinforce the good sitting with Pizzazz.