Why is my ex is trying to make me jealous?

Hello,my ex girlfriend broke up with me a year ago,i did all the stupid things,like chase her and try to get her back,made things only worse,after a few months we started to have contact again,just friendly,(I still have feeling for her even now). When I was talking with other people for girls and... Show More

Keep in mind that she hasn't been in a relationship this last year,i would knew it,she had sex a few times as I did as well thou!