Talk about girls, love me, don't go.

In fact, it's no big deal for a girlfriend to contact her ex-boyfriend. As long as you think, if you can still be friends after breaking up, it will prove that your status is definitely higher than her ex-boyfriend, otherwise she will not relax and contact her ex-boyfriend. Now that she has you, she doesn't care about the past. Of course, sometimes she goes back to reminisce about the past. So, you should try to be nicer to her … instead of giving up …