A surprisingly smooth transition?

I broke the news to my boss that I might be leaving soon and he almost sounded excited. I told him I would try to give him a month advance notice if I did indeed plan to move on and he almost insisted that I only give two weeks. He seemed like he was genuinely interested in helping facilitate a smooth exit. It was kinda weird and somewhat unexpected. I won't complain, though. I appreciate it, in fact. One of the more human moments I have had with him.