Though Tyson would call himself lazy for only maintaining rather than pushing himself to his limits, Tyson gets far more exercise than the average person and keeps himself to the same standards that he saw in the army. He is fit for purpose, nothing more.
He regularly goes on runs with his dogs and works out in his apartment. On top of that, his work for the web and escaping The Colonel are great practical forms of exercise. The amount of good that does is somewhat undermined by constantly under-eating and his erratic sleep cycle, and as such Tyson is always a little underweight; especially given how hard he works his body.
On the rare occasions when he wants to do more exercise he prefers to do so indoors at a private gym, away from the general public less his anxiety flare up too much. He can still get a little stressed on the running machine or in the sauna, but going into the swimming pool to do laps or into one of the one person meditation booths always calms him down.
This usually happens when Tyson has been too busy to complete his normal workout schedule. He needs to maintain his body to be useful to the web in an ‘in the field’ capacity long term, but actually completing his tasks for the web takes president over maintenance.
When he’s not working out, Tyson tends to move minimally, to conserve the maximum amount of energy that he can: slowly stretching one limb at a time and lounging on the settee with his dogs for hours at a time. To do otherwise leaves Tyson feeling constantly tired.
Though he considers it to be his own laziness, always the first to criticise himself, it is actually a mild form of chronic fatigue from how overtaxed his body constantly is; in addition to the fatigue imposed by a combination of his anxiety, OCD, PTSD, & borderline split personality disorder.