ask to meet up and talk about old times or if you see him passing just mention the idea that you still have feelings for him and by his reaction say your joking or if he takes it seriously take it futher and surgest you meet up again.
he might still have feelings for her.
Try asking him
still likes you has feelings for you wants to be with you again
If you boyfriend always talks about is ex that means he hasn't gotten over her yet. An might still have some feelings for her. Ask he does he still love her and is he ever going to move on.
still has feelings for her
It might be the case that she want to be friend with you. She also might want her boyfriend to be your friend also. It depends on her totally there can be many other reasons as well.
You still have feelings for your old boyfriend.
It means that you still love or have feelings for him.
you should tell him you still have feelings for him
express your feelings. if he still wouldn't understand it, better leave him.
just tell your new boyfriend that you still have feelings for your ex and tell your ex that you have a new boyfriend if they really care about you they will understand
the reason why are you so obsessed with your ex-boyfriend is because you still have feelings for him!