The break up of a relationship is stressful and traumatic. It jolts people out of their life styles or brings home to them that their life choices have caused the divorce. Many of Grisham's characters are coping or not coping with these problems while the narrative unfolds.It adds depth to their characters and adds depth to the story.
And being a lawyer can be very stressful. Add the stress of being a litigation or criminal lawyer to your domestic life collapsing and the story has even more depth.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.