It's because he's very knowledgeable. I don't say that to be snarky, it's just true. When someone of his level of understanding gets nervous, it tends to affect what everyone else might think. If the typical weenies freak out, it's easier to "ignore" that panic. The other end of the scale sort of might be someone like Bob Chill. Very knowledgeable as well. But he was a lot more "Zen", and though he of course wanted his yard to jackpot (we all want ours to do so, LOL!), he was always of the "chips fall" attitude, as he would say. He usually would say stuff like "well, Mappy and PSU land will do well with this event, but I'll be fine with my 2" slush brick here in MoCo" or something like that. I'm sure he'd be disappointed inside, but rarely "let it out" unless he was being obviously humorous. I don't think I've seen a time that he ever "melted down."