How about stopping by for more than cameos? We'd love to have you in the show.
Yes, the post-d friends-thing is difficult. I've described on my own thread (on Surviving the Big D). The she and I have an amicable relationship but even when there's a good exchange it's a tough and sad reminder of the past. I don't email or call about much except the biz of taking care of the kids partly out of emotions mentioned above and partly out of respect for myself.
"My actions are my only true belongings. I cannot escape the consequences of my actions. My actions are the ground upon which I stand." Thich Nhat Hanh