Sitting at a desk for 8 hours a day will wreck your body too, don’t worry about that. Except that can be trivially counteracted by get up to stretch every hour

Sitting at a desk for 8 hours a day will wreck your body too, don’t worry about that. Except that can be trivially counteracted by get up to stretch every hour, taking a 20 minute walk at lunch and hitting the gym a couple of times a week.