Thanks for taking the time to read and reply, hanxster
I posted an update earlier today, but since I'm a new member it took a little while to go through and actually appears before your reply. I'm definitely moving on because you're right and I saw it there in black and white, there is no relationship to hold on to.
Coping with a new diagnosis and a breakup at the same time won't be easy, but it's got to be better than that hell of uncertainty I was living in.