Adequate water intake along with alcohol avoidance--and timely bathroom breaks--are the most important administrative parts of playing vp seriously. But if you play regularly you MUST maintain a regular exercise regimen, which also helps keep your mind clear when you play. Any job or task you want to do well is absolutely enhanced by good hygiene, a healthy lifestyle, and a healthy body & mind. People with nagging and/or unsolvable problems should stay away from the machines unless they really do not mind losing and/or enjoy the challenges losing presents. There are the true meaningful advantages in gambling, not all that other silly stuff.