take all your clothes off at him
get another boyfriend and make ur ex boyfriend jelous
make him jealous
i mean, if he's your ex-boyfriend he's your EX-boyfriend. that means...boyfriend.
If you want your ex-boyfriend to be jealous you have to flirt with someone he knows right in front of him. To make your ex-boyfriend to want you back is start being more sexual and also flirt with him a lot of times.
He might be trying to make you jealous, but he may also just want his ex- girlfriend back. In this case, usually your ex- boyfriend can try to make you jealous which can mean he wants you back and by making you jealous you will come back to him, or it can also mean he is trying to show you how much you need him, but you can't have him. The real answer is, no body can know other the the ex- boyfriend himself.
Don't let Lisa near him!
It is strictly up to your ex boyfriend and he has to figure this problem out himself and if and when he tries to get back to you be sure he is sincere in what he says. You can't put words in his mouth and you can't make him come back if he doesn't want to come back.
If you are indeed keen on getting your ex girlfriend back, even if her ex boyfriend want her back, what you can do to make sure that he will choose you is make her see your best foot forward. Show her how better you are over her ex, how happy you can become if she decided to come back to you and how things will be better now.
Then make a move.Show him thet you still like him and want to have him back.
You should make her jealous and have a battle between you and her current boyfriend. Make her realise that your worth another try.
To get ones ex boyfriend back there are lots of possibilities. One possibility is to go to an event where the ex boyfriend goes too and meet him there and try to open a discussion or to talk to a friend of him to meet him.
She probably did it to make the ex- boyfriend jealous.