What should you do if your ex-girlfriend isn't in love with you and now has a boyfriend but says if you give her time she could love you but is unsure of her feelings?

Either she feels very badly about splitting up with you or she's selfish (only you can decide in which one of the 2 catagories she fits into.) When you split up from someone it's time to move on. She is not only being dishonest with her boyfriend, but you as well. I suggest you stay away from her and start dating other girls. You should be treated much better than this. You are in control of your own destiny and don't let ANYONE stop you from achieving it. Good luck Marcy