What should you do if your girlfriend of two years to whom you're engaged is confused between you and her ex and says she loves you both and doesn't know who she wants to be with?

All i can say is this isn't right,I'm sorry but how can you be engaged to one man but claim you also love another. You need to think seriously about this, would you really want to be with someone and marry someone who doesn't have eyes for you and you only, i know i wouldn't.