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If someone is trying to impose his will on yours and you fight back, the controller probably won't understand. It doesn't matter . You're not being controlling when you take control of your life or something that affects you (living situation, safety, health, home, family, personal space). You're attempting to avoid being controlled and asserting your boundaries. This is healthy behavior. You shouldn't cede control of yourself, what affects you or those you are responsible to (kids, for example).
But it doesn't usually look very pretty. No matter how calmly boundaries are enforced the control freak doesn't like it. She rages, sulks, hits below the belt, tries to intimidate and/or shame her partner back into her web of control. She's not in control of herself. She feels it and panics. She instinctively grasps for something or someone external control. Why? Read more Control Freaks and Power Struggles in Relationships