I drifted apart from DB a few years ago. No major issues - our personalities just clash and we have not much to do with each other.
My mother wants me to make things up with DB. She is obsessed with it and now has my father involved. They are both very angry with me - fuming - because I won't 'obey' them and make things up with DB. My mother drags the issue up in every conversation. Now i find myself avoiding her too as she always tries to bring up DB and pressure me to act the way she wants.
The thing is i probably would have made it up years ago with DB but my mother stuck her self into the middle of it and escalated things hugely. I totally get why they want us to be friends but surely I'm NBU to think a parent needs to step back when their children are in their late 30s and let them deal with things themselves