Dating is hard enough on its own, bringing ex-girlfriends into the situation is something that can easily cause some hindrances in the new budding relationship. So what do you do when the ex-fiancé decides to tell your new man she is still interested in him? There are a couple clues that can help you to answer this tough question. If he feels he still needs to “work some things out” with her, continually meeting with her to talk or talking to her on the phone, it may not be a good sign. If you are not supposed to text or call him when he is with her, things are not looking good. If her mom is visiting and he finds it important to spend the weekend with her and her mother while she is in town, start worrying. In the instance that he cancels plans with you to get together with her and you don’t hear from him at all that day, run. Once you realize things aren’t looking up, don’t try to convince yourself things are going to be OK unless you are looking forward to that late night visit from him telling you that he and she are going to “try to become friends again and see where it goes,” in which case ... you're finished.