I can say that I understand because I have lost two wonderful properties that I had permission to hunt. I love those places where I "cut my teeth" (so to speak) on deer hunting. They now live in my memory.
I'll say this: Continue to honor your relationship with the landowner. Yeah, it stings, but the land is his, and you seem to have the right attitude that it was a priviledge to hunt there for 8 years. The memories can never be taken away. He's still a good guy and if you're his friends then you should continue with the soup and the sweetcorn and the friendship and fellowship. If you treat him better than his family does, you might end up in his favor again. And even if you don't get to hunt there again, I'd say that 8 years of prime land and a lifetime of memories deserve to be honored. It's the right thing to do.
Trust me on this one. 1) I continued doing firewood for one old guy even after hunting there became untenable because of other people. His neighbor was helping me offload some wood and we got to talking, and I ended up with permission next door to 700 acres of prime land I still enjoy today. 2) One fella that threw everyone off called me up two years later and apologized and offered to let me hunt again.
It comes back around, trust me. Good luck.