express every emotion about it to God ... Share it and bring Him
Into it "before you run to anyone else first"
Remember , He made you to be in a relationship with Him first..
This.
Not long after the end of my relationship, I dealt with a lot of anger and bitterness, along with the pain and sadness. My old man told me, "Give it to God. Express your pain, express your rage. Christ is there to take YOUR burden, so hand it over, and the whole time, be aware of His love and His grace and His mercy. And as you do this, you'll find peace. You may have to do this over and over again, several times a day, several times an hour. But the more you give your pain to Him, the longer the peace starts to last."
And the Old Man was right. It's been a year and a half since then for me, and I still have moments of bitterness or anger, but I almost immediately start to pray, and just thank Him for His blessings, and for the joy of being His child again after almost a decade away. God will heal your pain, but you have to let Him tend your wounds.
Trust in Him, and make Him your focus...and
He will give you rest! Give it time, and stick with it. Great is HIS faithfulness!