As difficult as this is right now, don't look back and try to persue that relationship. Sometimes letting go is hard, but staying in a bad relationship is often worse. Dr. Phil always says that the worse thing than spending years in a bad relationship is spending a year and one day. In other words, don't stay a day longer than you have already. I don't watch his show a lot, but I did like that advice he gave.
Father God, I pray that Your Loving hand will be upon rocking4christ's life and his heart. I pray Father that he will feel your love and your comfort showering down upon him. Hold him tightly Lord as he goes through this difficult time and father please help him to keep his focus up on YOU and You alone. I pray oh God that you will open the flood gates of heaven and let your holy spirit pour out upon roching4christ. Let this be a time in his life where he will focus on You, learn all that You want to teach him right now and grow closer to you. Be his comfort, his shield and his strength oh Lord. This is the day that You have made oh Lord, let him rejoice and be glad in it. May the joy of the Lord be his strength.
In Jesus Name I pray,
Amen
When you feel that the memories and sadness starts to return, I would suggest putting on some praise music and putting your focus upon the Lord. The more you praise God, the better you feel as He comforts you. Sometimes the best medicine is taking our mind off our situation and transfer our focus to Jesus. I pray things get better for you quickly. I know this is a very difficult thing to go through.