As long as you're looking at your significant other in a realistic light, take the time to look at yourself in the same way. Is there anything you do that enables his controlling behavior?

Many relationships in which excessive control is an issue are actually mutually controlling. People with similar psychological traits often gravitate to one another. Take a look at your own behavior and ask yourself whether you may also be letting insecurities and fears take over your relationship.

Or on the flip side, if you sit back and let him take the reins in most matters just to avoid having to deal with things yourself, he will feel that you're OK with him being in the driver's seat all the time.

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There are ways to handle a controlling partner, but it's rarely an easy undertaking. If your relationship is far enough along that you're committed to each other and the controlling person admits to the problem, you can set some goals and limits together.

For example, discuss how you'd like more autonomy in decision-making and set a schedule to take turns deciding what activities you'll do as a couple.

For insecure/jealous partners, you may need to set some strong boundary lines when it comes to personal space. If you don't, the behavior will continue unchecked. Unfortunately, your demand for increased privacy will probably just reinforce his fear that you are indeed seeking outside relationships.