what would you do?

My ex of just over a month, after a shocking leaving of me, moving to another state to be with her ex and for her kids sake, has been contacting me recently via email and phone. She has gotten a job in basically the same field that we met at and is asking me for hints and ways to work her system to fit into her new job. In some ways I do enjoy her contact but I am still hurt very bad over her leaving me, I think I need to come straight out and tell her what this is doing to me. It takes people a longer time to heal and looks as if she has (maybe not) and I am having a hard time with it. It might be impossible to be friends if my feelings stay this way. Should I keep in contact with her or should I tell her I need more time to heal up and then see if my heart allows space for her in the future. I think I know the answers but it helps me to hear it from others.