It's been almost 4 years and I can't get over my ex girlfriend. We still talk when she needs a friend or when I do. Shes married though so I try to keep conversations short. What can I do to move on?

You can try to work on yourself and find someone new and try to like do things that would help you feel better. It’s always good to start with healthy steps to move forward like finding a sense of peace for yourself and trying to find someone for yourself and also move on. It’s also good to try to explore and try new things. Knowing that your ex has move on and is now married should also be something that can help you try to move on also. Try to think of the future you want for yourself and try to accomplish a goal.