@Mrty2019 I'm so sorry to read that your first replacement was so traumatic ( belated condolences for the loss of your son ) I can't think of anything worse, so congratulations to you for overcoming all those obstacles, your PT - well I have no polite words to describe his barbaric actions, unfortunately alot of them treat a replacement as sports injury. Also it was your first replacement and if you were like me a bit clueless to what was really necessary or not.
I was fortunate that my surgeon was in the opinion that the knee will heal itself and with time and patience it would do what it was meant for, he actually told me that PT was a matter of choice, I only started PT two weeks after surgery ( a family friend was my physiotherapist) and only went twice a week to use the cpm machine, on a gentle slow moving setting, for 20 minutes, I think I only did PT for 2 months, I used my daily living activities and as I got stronger I walked the dogs.
Fast forward I have a pretty good bend and extention, certainly for my needs in life it is good enough.
I will most likely do the same after my surgery, as time is the essence in this recovery and I have no marathons to run

I am certain that you will succeed, and this time next year you will be out enjoying life once more.
Wishing you a lovely weekend and don't let any PT bully you xxx