The same way you did before you were dating. If it's your EX, then you must know how to flirt with them effectively.
if they broke up with you, move on. If you broke up with them and they flirt with you, flirt with them back
you can talk to them.or flirt
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.
If it is an ex-boyfriend, then it shouldn't matter...right?
NO!!! If they ended their relationship then the guy wouldn't flirt with her unless: 1. He still likes her 2. He is shallow and will flirt with anyone even if it is his ex 3. He is an idiot and not worth your time 4. He is absolutely desperate on every level 5. He wants to have his cake and eat it to. So if he is flirting with his ex you deffinately don't want to fall head over heels for this guy.
There are a great many different signs your ex may give you when they flirt with you. They may compliment you excessively for example.
He hasn't gotten over you, and he is trying to have two girls at once
Either she still has feelings for you or she wants to be friends.
Flirt with someone else to make him jealous.
you know there over you if they flirt or date other guys
if they flirt with you or call/text or even make an effort to take to you.
He will stare at his ex instead of you. He will try to flirt with his ex.