You're good at your job. People tell you that. You might even be great at it. But the pattern keeps repeating: intense competence, rising internal pressure, a period where you hold it together through sheer force, and then a collapse. Sometimes the collapse looks like quitting. Sometimes it looks like a leave of absence. Sometimes it looks like getting fired because you stopped showing up. The jobs change. The pattern doesn't.
If you've been through this cycle more than twice, you've probably started telling yourself a story about it. You can't commit to things. You self-sabotage. You get bored easily. You don't know what you want.
Those stories are wrong. What's happening is your nervous system is responding to the accumulated demand load of employment, and at some point the load exceeds what your system can manage while still functioning. The collapse isn't a character failure. It's a capacity limit being reached.
Employment is, from a nervous system perspective, a wall of demands. Most people don't experience it that way because most nervous systems process demands as neutral. For yours, each one registers.
The obvious demands: tasks, deadlines, meetings, emails that need responses, projects with timelines. Those are the ones you can see and plan around.
The hidden demands are the ones that drain you without showing up on any task list. Being somewhere at a specific time, every day, regardless of how your nervous system is doing that morning. Performing the right version of yourself for this context. Making small talk. Responding to messages within an expected window. Sitting in an open office when your sensory system is overloaded. Appearing interested in a meeting you could have handled in an email. Asking for help when asking for help is itself a demand. Every single one of these is a line item on a tab your nervous system is running in the background.
The social performance demand is often the heaviest one. You're not just doing the work. You're performing the appearance of doing the work in a way that looks normal to the people around you. That performance costs energy that nobody else in the room is spending. By 3pm you've used your entire capacity on being a plausible employee, and you have nothing left for the actual job. And then you go home and can't do anything, because the demand budget was spent at work.
The job itself might be fine. The demand load of having a job is what breaks the system.
New jobs often feel great. Everything is novel. You're learning. Nobody expects you to know the systems yet. The demands are low because you're being onboarded, and the autonomy is high because nobody is tracking your output closely. You're engaged, you're performing well, and you think this time it's going to be different.
Then the novelty wears off, the expectations solidify, the routines establish themselves, and the demand load climbs. The things that were interesting become obligatory. The meetings that were optional become standing. The flexibility that came with being new gets replaced with the expectation that you know how things work now and will comply accordingly. Your nervous system starts responding to the shift, and the old pattern begins.
This is not boredom. Boredom is an attention problem. This is the transition from "I'm choosing to engage" to "I'm expected to perform," and your nervous system reads that transition as a loss of autonomy. The work didn't change. The demand character of the work changed.
The cycle runs like this. Phase one: you're functioning, probably at a high level, and you're paying for it with everything you have outside of work. Your apartment is a mess. Your friendships are on hold. You're not exercising, not cooking, not managing your health. All available capacity goes to performing competence at work. People see the competence. Nobody sees the cost.
Phase two: the cost starts showing. You're tired in a way that sleep doesn't fix. You start arriving later. Missing deadlines by small amounts. Avoiding certain emails. Your manager says something supportive that feels like pressure, and pressure makes it worse. You know you're slipping, and knowing you're slipping adds another demand to the pile.
Phase three: shutdown. You can't make yourself go. You call in sick. You ghost a meeting. You sit in your car in the parking lot and can't open the door. This is not laziness. This is a nervous system that has exceeded its demand capacity and is doing what nervous systems do when overwhelmed: it shuts down. The shutdown is protective. It is your body doing the only thing it knows how to do when the threat load is too high.
Phase four: exit. You quit, or you get fired, or you go on leave. There's a period of relief followed by shame, followed by the search for the next job, followed by hope that this time will be different, followed by phase one.
Knowing the mechanism changes what you target. You're not fixing a motivation problem. You're managing a demand budget.
Autonomy is the single biggest variable. Jobs where you control when, how, and in what order you work are dramatically easier for demand sensitive nervous systems than jobs where someone else controls those things. This isn't a preference. It's a nervous system requirement. The difference between "get this done by Friday" and "get this done by Friday and be at your desk from 9 to 5 while you do it" is the difference between one demand and dozens.
Sensory load matters more than most people realize. An open office, fluorescent lights, background noise, constant Slack notifications. Each of these is a demand on your system, and each one reduces the capacity available for actual work. If your physical environment is draining you before the work even starts, the work never had a chance.
The social performance demand is the hardest to reduce because it's invisible to employers. But it's worth being honest with yourself about how much it costs. If showing up to a team lunch leaves you unable to work for the rest of the afternoon, that lunch isn't free. It's costing you three hours of functional capacity.
Self-employment and freelancing work well for some people with demand sensitive nervous systems, not because the work is easier, but because the demand structure is different. You control the schedule. You control the environment. You skip the social performance. The trade-off is that self-employment comes with its own demands, like invoicing, marketing, and the absence of a steady paycheck, and those demands can be just as paralyzing. It's not a universal answer. It's a different demand profile.
The book You Were Never Broken has a full chapter on work and demand sensitivity, including specific strategies for navigating employment, managing the burnout cycle, and making honest assessments of what your nervous system can sustain. The RELATE framework explains the mechanisms underneath all of this.