That would be helpful information. I would like to speak with him, as well. He should be aware of our relations to each other.

[ Advice is certainly not William's forte. But Alan has helped him, so he gives it his best shot. ]

From the way I can see it, you have the choice of trying to restore your friendship to what it was, or cutting all ties. Honestly, I cannot see you doing the later. Though, perhaps bringing up your illness wouldn't be wise until you are comfortable doing so. It will keep him from making rash decisions.