I think it’s important to note that the idea of “forgiving God” is heresy.
The Christian God, Jesus, and the Holy Sprit are at no time in history at fault. This is in direct contrast to humanity, which has been in and at fault since the fall.
I was made aware of the idea that “…we should forgive God…” about a year ago. It suggests that humans should “forgive God” for the negative circumstances that he has put us though in our lives—e. g., growing up poor, being sexual abused, having bad parents, or anything else that would dramatically shape a person in a negative way—therefore, cause them to hold resentment towards God.
There is absolutely no Biblical ground for this concept. As created and fallen creatures, we are unable to pardon lest God himself pardon us. To suggest forgiving God brings into the questions his goodness and righteousness, let alone his ownership of creation and the grace offered by Jesus’ death and resurrection.
A proper response to any resentment towards God, Jesus, and the Holy Spirit is unequivocally our surrender to him. We must first recognize that we have been in rebellion against Him and His law.
I believe whoever came up with the idea of “forgiving God” probably intended for it to soften the blow of my previous statement; however, it heretically assumes that God is somehow at fault.
I will offer this anecdote. He is a good God who has loved and taken care of me my entire life. He is all-powerful, slow to anger, and capable of dealing with any problem that I might have with him. He gently corrects his children in love, and guides them to proper understanding of his character.