← Jacob’s writing
Mar 17, 2026 · Personal

The real reason I built a cold tub

I spent $4,000 building my own cold tub.

I know, I know. Not another cold plunge guy. But before you scroll past, hear me out.

Everyone who talks about cold plunging leads with the physical benefits. I'm not going to do that. Those benefits are real but hard to measure, and honestly, that's not why I keep doing it.

Here's what actually happens: You step in and your whole body screams to get out. Every instinct fires at once. You start hyperventilating. The practice isn't to fight that or push through it on willpower. The practice is the opposite.

Sit in it. Feel it fully. Accept it for exactly what it is.

Just cold. Not dangerous. Not permanent. Just a feeling that will pass.

I stand at the edge of that tub every single morning and I dread it. Genuinely. 😂 I've been doing this for over two years and the dread hasn't gone away. Every time, I say the same thing to myself before I step in: "It's just cold. It's just a feeling. It will pass."

That reframe is the whole thing. That exact fear, fight of flight, instinct fires constantly in my work, and probably in yours.

I feel a fear of rejection when staring at my phone for ten minutes before a cold call. I feel anxiety before calling an angry client. I am nervous before a hard conversation with an employee.

The cold doesn't make those things easier. But it trained me to recognize these moments, the moments "before the plunge," pause inside it instead of running from it, and go through it anyway with openness and acceptance.

The cold is safe. The discomfort is real. But it's just a feeling, and feelings pass.

Two-plus years of doing this daily has made that obvious in a way that's hard to explain until you've felt it. The physical stuff is fine, but an improvement in my mindfulness is the benefit that's actually changed something for me.