You won't have the slack needed to walk away - you'll have to act quickly. Avoid drafts and temperature changes. You need sleep to recharge.
Your mind is obsessed with your obligations. don't get caught up in things. You're going to have to force the situation to get some time for yourself.
Don't be consumed by outside requests, you have other priorities that need your attention.
There will be tension in the workplace. Stay away from controversial subjects and, whatever you do, don't get involved in them!
The problems you will encounter can be solved simply by having the audacity to make your day-to-day uncomplicated. At the end of the day, you will be criticized for mismanaging your time.