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Sometimes jealousy can be a sign of a larger issue in your relationship. Ask yourself whether your husband wants you to spend less time with your friends just so that he can keep an eye on you and keep you away from your support network. Does he check up on you all the time? Does he try to limit your access to your family as well? These may be signs of attempts to control you and can be signs of an abusive spouse. If he continues to act in the same controlling manner, let him know that you are unwilling to tolerate the behavior. If it becomes necessary, you might need to tell him that you are considering leaving because you don't feel safe and appreciated in the relationship. Excessive control is a marker of abuse in a relationship -- no one should have to tolerate it. Only he can stop being jealous and controlling. If he refuses to stop his behavior, leaving is often the only choice. It might spur him to get help and attempt to deal with his problem. If he does not deal with the problem, realize that you might need to leave him for good.
Consider whether your husband's jealousy is about control. Talk to your husband about your concerns. Prepare to leave if he won't change.