Frankly, why would you want him too - he is your ex for a reason and he has been sleeping with others - I would scrap that and move on!!!
Tell him you want him back and if he doesn't want you after that then find someone else.
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'Ex' means the relationship is over and you should be going out with friends; having fun and get back into dating again and not sit around wishing your ex would come back to you. By dating again he may come back when he realizes you are not going to sit around and wait for him. Never waste your life waiting for someone, but get on with your life and if you are both meant to be together then it will happen and if not, then it was not meant to be because there is someone special out there for you.
If he won't talk to you, you should leave him alone. He doesn't owe you anything. You can't make someone like you.
It said a while back on his myspace page that he was dating someone, but I don't know who.
Hmm then we have a problem you see if your boyfriend/girlfriend dating someone behind your back and saying there not well thats called cheating so I think you should break it off before he/she does.
Instead of looking for signs how about you be the bigger person and actually ask.
je retourne vers mon ex petit ami.
Rape them, and cut off their heads.
You back off, home wrecker.
kill his or her boyfriend,"simple"
They have the right but you too also have the right to take it back.