@dickiedo Like @debbraw, I too have had two TKRs but not had that specific problem. For me 2 months was a huge milestone on my last TKR in October 2017, I was in some extreme pain often before that, pain that even brought tears to my eyes, and that scared me. My orthopedic doctor was on top of it though and seeing me every two weeks until the pain finally subsided, almost overnight! We are all different and all heal at different rates so I hope you will have the same thing happen to you, that suddenly the pain will be greatly diminished.
I was extremely determined that it would be better because my daughter’s wedding was quickly approaching. I don’t know if determination can help, but it can’t hurt!

By the way, have you tried putting a pillow between your legs when sleeping on your side? It really helps. I did it after my TKR and I’m doing it again while my fractured femur heals. The orthopedic doctor suggested it.
JK