Set daily/weekly/monthly (Each one) goals and reward yourself for meeting and exceeding goals.<p>Short terms goals and willing to make them real will push you everyday.
Electrodes wired to sensitive bits, and a shockbox with a momentary switch sitting on the desk beside the keyboard, for convenience while working. Break out the whips and sticks for short "refresher" breaks and a quick workout and stretch.<p>Reserve the scourge for when you really need to get the blood flowing and regain intensity.