Having an unreasonable jealous boyfriend can be a very stressful experience. Thus, anyone in that situation should find time to leave guys of that kind in no time. How should you avoid jealous boyfriend in a hassle-free manner. I must say only avoiding only does not actually make any sense. You must leave that kind of guy at once otherwise your will have a miserable life. Being jealous unreasonably is something wrong. People having that kind of emotion I guess should see an expert to deal with it. Other contributing factor for such an uncommon behavior should be known first before this problem can be addressed more appropriately.