Prayer for reconciliation with ex-girlfriend

Dear God,

Please bring my ex-girlfriend back to me. We dated for almost 3 years and were long distance for most of the 1st year. When we finally moved to the same city after graduating college the stress of my new job and all the changes in my life took their toll and brought a lot of negativity. I think I was struggling with depression and by being withdrawn and not appreciating how good she was to me I slowly pushed her away. Now she is with someone else and I realize how much I love her and want another chance for the future we talked about together. I want to marry her. Please pray that this situation will work out for both of us, and that her heart will be opened to the good in me and how much I love and care for her. I have learned so much and become a better person and closer to God because of her and I want to spend the rest of my life with her.