Think of your nervous system like a bucket.
Like us, this bucket has a certain capacity—it can hold only so much before it overflows. Imagine each input you encounter dripping into it:
- Thoughts and emotions
- Sleep (or lack of it)
- Hormonal shifts
- Nutrition and movement
- The environment around you
- Family obligations and hidden expectations
And it’s not only today’s stress that fills the bucket. Some of that stress has been accumulating for years. Old experiences and unprocessed trauma still take up space, even if you’re not thinking about them.
You might have areas of life where your bucket has plenty of capacity and other places where it’s already close to the brim. For example, you might feel confident and clear at work but notice the water rising fast when you’re dealing with family conflict or chronic pain. That’s why it sometimes feels like you tip into overwhelm or exhaustion out of nowhere. It’s rarely just about what’s happening in this moment—it’s about everything your system has been carrying.
Eventually, when the bucket gets too full, it starts to overflow. Your nervous system has to do something to get your attention, and it does this through protective outputs like:
- Pain
- Anxiety
- Brain fog
- Fatigue
- Irritability
- Depression
- Restricted movement
- Inflammation
These outputs aren’t random. They’re your brain’s way of saying,
“This is too much. We need to stop before something spills over completely.”
Maybe you’ve had a day that felt really productive and positive, and then suddenly you felt a wave of sadness or irritability wash over you—and you weren’t sure why. Believe it or not, that’s a protective output from your nervous system, doing its job to keep you safe.







