I guess you never play poker because you don't like to bluff. Or you've never faked a pass in basketball before taking a shot. Or you and the catcher like to announce when you're going to throw a curveball.
I’m not sure why you’d guess that, stringing somebody along for hours in Risk and then backstabbing them at the crucial moment seems to at least match your suggestions in terms of duplicity, and is the height of glorious bastarddom.
I guess you never play poker because you don't like to bluff. Or you've never faked a pass in basketball before taking a shot. Or you and the catcher like to announce when you're going to throw a curveball.