Learn how to relate to the feeling of jealousy philosophically, as a disease that can be cured or which can be used to, no matter how difficult it may be. If you have too much free time, go do something, find yourself a hobby, a hobby, or sign up for a dance in a fitness club.
Jealousy is more common in those who consider themselves unworthy partner. So you need to become self-sufficient person in moderation, will learn to love and appreciate yourself. Then the attitude of your young man to you will change.
Avoid high demands of himself and quarrels. If there are any suspicions, just try to engage in dialogue. And do not express a complaint about his behavior, and talk about their personal experiences. But we should not complain, build a constructive dialogue, so as not to cause irritation and aggression. Remember that only openness leads to understanding and solving any issue. And never forget that your choice - it is a gift, not a property. And they should be cherished and not try to bind any cost.