Here are some books, songs, and other resources that helped me through dark days. I also recommend you seek a Christian counselor who can help you sort through the emotions and pain.
It’s Not Supposed To Be This Way by Lysa Terkeurst
Fervent by Priscilla Shirer
Praying God’s Word by Beth Moore
Unfaithful: Hope and Healing After Infidelity by Gary and Mona Shriver
TobyMac #SPEAKLIFE posts
DivorceCare support sessions. https://www.divorcecare.org/