First I want to say I am sorry to hear about this and though I haven't been in this exact same situation I can truly imagine how painful it must be.
I found an article that I hope can be of some assistance as the advice is timeless I believe and even though it is directed toward young people ( I don't know your ages) it still can apply to anyone.
Here's an excerpt:
You may have heard the saying, Time heals all wounds. When you first break up, those words might ring hollow. That’s because time is only part of the solution. To illustrate: A cut on your skin will heal in time, but it hurts now. You need to stop the bleeding and soothe the pain. You also need to keep it from becoming infected. The same is true with an emotional wound. Right now, it hurts. But there are steps you can take to lessen the pain and keep from becoming infected with bitterness. Time will do its part, but how can you do yours? Try the following.
▪ Allow yourself to grieve. There’s nothing wrong with having a good cry. After all, the Bible says that there is “a time to weep” and even “a time to wail.” (Ecclesiastes 3:1, 4) Shedding tears doesn’t mean you’re weak. In the midst of emotional anguish, even David—a courageous warrior—once admitted: “Every night my bed is damp from my weeping; my pillow is soaked with tears.”—Psalm 6:6, Today’s English Version.
▪ Take care of your physical health. Physical exercise and proper nutrition will help replenish the energy lost from the emotional toll of a breakup. “Bodily training is beneficial,” the Bible says.—1 Timothy 4:8.
What areas pertaining to your health might you need to give attention to?
▪ Keep busy. Don’t stop doing the things that interest you. And now, more than ever, don’t isolate yourself. (Proverbs 18:1) Associating with those who care about you will give you something positive on which to focus.
What goals can you set with regard to keeping busy?
▪ Pray to God about your feelings. This might be a challenge. After a breakup, some even feel betrayed by God. They reason, ‘I prayed and prayed that I would find someone, and now look at what happened!’ (Psalm 10:1) Would it be right, though, to view God as merely a celestial matchmaker? Surely not; nor is he responsible when one party does not wish the relationship to continue. We do know this about Jehovah: “He cares for you.” (1 Peter 5:7) So pour out your feelings to him in prayer. The Bible states: “Let your petitions be made known to God; and the peace of God that excels all thought will guard your hearts and your mental powers by means of Christ Jesus.”—Philippians 4:6, 7.
What specific things could you pray to Jehovah about while you are striving to cope with the anguish of a breakup?
After you’ve had time to heal, you might do well to take a close look at just what happened in your past relationship. When you’re ready to do that, you may find that writing out your responses to the following questions will help.
▪ Were you given a reason for the breakup? If so, write the reason below, regardless of whether you feel it was valid.
▪ What other reasons, do you think, might have been involved?
▪ In hindsight, is there anything you could have done that would have changed the outcome? If so, what?
▪ Has this experience revealed any ways in which you would like to grow spiritually or emotionally?
▪ What, if anything, would you do differently in your next relationship?
Granted, the relationship you were involved in didn’t become what you had hoped. But remember this: In the middle of a storm, it’s easy to focus on the dark sky and the pouring rain. Eventually, though, the rain stops and the sky clears. The youths quoted earlier in this article found that they were, in time, able to move on. Be assured that the same can be true of you!
More articles from the “Young People Ask” series can be found at the Web site www.watchtower.org/ype