Heya aperez172 and welcome to the site because I see you are a newer member. Tho I am sorry for the circumstances of why you have joined, its always nice to have another family member and friend join us here.
About what you are going through, I'm sorry even tho saying sorry doesn't always help. The best advice I can give you right now is to really step back and tell God you put this situation in His hands. You really want to be careful about things such as relationships because they can really impact your life for the better or wose. Just continue to pray about this and I know its easier said than done but calm and relax. Do not rush things and hurry back to her right away. Let her show through her actions that she is genuine about being sorry. You must also forgive her (maybe you already have). You need to let go of what she has done because if not you will only trap yourself into bitterness while being angry with frustration and hurt.
Was God the core of the relationship? Was God more important to both of you than you were to each other? Is this something you REALLY believe can be fixed and not just because you feel it could be? Has this relationship become more important to you than other things in life? Are both of you willing to put not just feelings or words into your relationship, but actions to show you are both maturing? There are so many other questions you have to ask yourself.
Work through and grow in your personal relationship with God while you are dealing with this because it will help so much.
What does it mean to have a personal relationship with God?
At the end of the day its completely up to you on what will happen. You said you don't know what God would tell you well friend you must really listen to Him and not let this recent heartbreak cover your ears so much as to where you can't hear Him.
James 1:5 If any of you lack wisdom, let him ask of God, that giveth to all men liberally, and upbraideth not; and it shall be given him.