Interesting can be more worthwhile than just getting along sometimes... after all, I can appreciate a good debate, so long as it stays civil.

But truly, I'm sorry that he is no longer around, both for my own loss at the chance to meet him, and for your loss. If there is anything you need, please let me know... If my memory serves me... he was giving you some training, correct? If you would like, we could train together, to keep you from losing what you learned from him.