In my first few weeks of playing, I distinctly remember feeling dizzy and sometimes even a bit nauseous from the strain of standing for long periods of time with my arms held aloft (25 whole minutes), struggling to concentrate on a thousand different things that all felt like patting my head and rubbing my stomach. It felt impossible to focus on any one aspect of the physical or mental experience for long. When I did manage to focus on something, I completely lost the ability to maintain awareness of anything else.