When someone breaks up with you, you go through the pain but some how you seem to get better. But I am that jealous ex-girlfriend and I am always wanting you back. I don't want you to be with other girls, I don't want you to move on before me. I still want to be the one that you text all the time and call when you're not okay. I want to be the one that sleeps next to you and kisses your lips, but I can't have that, because you don't want me anymore even if I try and try. It is stupid of me to be jealous--it is selfish really. I should be able to let you go and use move on and I did, but every now and then it circles back to me.
I think i get the jealous because I wanted it so bad, and you can be over someone but still somewhere in your heart want it, you can still care for the person but at some point you just have to not give a flying hell about him. You can be jealous, fine--maybe once you finally get the one person you are looking for he will get jealous too, then he will understand. So while you are going through this embrace yourself and enjoying being single. Yes, personally I want a boyfriend because its a special relationship that only one person in your life at a time gets to have. Maybe saying "have fun being single" is easier said than done because I want more so bad, but I am sure that is the same for most of us. We want to be loved, we want to have our person, we want to say "yeah, that hot guy over there, he is my boyfriend."
Jealousy can do ugly things. It can make you sad, it can make you cold and it can shut you out from so many opportunities. A little bit of it is healthy, but not in this case. So stop it! Stop being so jealous of someone that doesn't care because that is a waste of time and a waste of life. You can not live your life with jealousy of some one that you used to have, because honestly you are worth more than what he did to you. Someone better will come along and you won't even remeber that fact that you were jealous at one point.
So for the nest weeks or months don't think about him. Just be you and focus on you and what YOU want to be doing in life. They way of the world will let everything fall into place and suddenly it will all be okay. You will have some one better, and the jealousy will go away and you won't even remember why tyou were jealous in the first place.