> In ordinary social situations they are — as quiet and diffident as the star quarterback would be if he found himself in the middle of a physics symposium I d

> In ordinary social situations they are — as quiet and diffident as the star quarterback would be if he found himself in the middle of a physics symposium I don't think a QB is ever "diffident". I bet he'd feel a lot more confident there than the nerd on a football field, or really anywhere.