The Math My Dad Didn't Get to Run
My father died at 45. I'm 44. Every business decision I make runs through one question he never got to ask.
My father died at 45.
I was 13.
For most of my twenties, I didn’t think about the number.
Then I turned 34, and I started doing the math.
Eleven years between me and whatever he carried that his doctor never found in time. Eleven years of Tuesday nights. Eleven years of birthdays. Eleven years of trying to decide whether the hour I was spending was the one I’d want back if it turned out I had the same clock.
I’m 44 now.
The math has gotten closer.
The Reality:
I don’t tell this story for sympathy. I tell it because it explains every business decision I’ve made in the last ten years in a way the résumé never will.
I walked away from seven-figure Apple stock options when I was 42. On paper, that decision doesn’t make sense. In practice, it was the easiest call I’ve ever made.
The question I ran it through wasn’t about yield.
It was: “If I have the same clock as my dad, do I want to spend the next three years inside a badge, or inside my kids’ lives?”
The badge lost.
Not because the badge wasn’t valuable.
Because I’d already done the math on the kind of hours the badge required.
The Double-Hook:
Here’s the part that doesn’t fit in a personal-finance article about scarcity.
When you actually live inside the assumption that time is finite — not as a theory, as an assumption — your filter for every deal, every hire, every meeting changes.
I don’t get burned out the way other operators describe it.
I don’t take deals that require 80-hour weeks because nothing about the spreadsheet math compensates for the 80 hours.
I don’t hire people I wouldn’t want sitting across from me at dinner, because I’ve already run the calculation on how many dinners I’ve got left.
The math isn’t depressing.
The math is clarifying.
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The Insight Stack:
The people who told me I’d regret walking away from Apple were running a different math than I was.
Theirs was additive: what do I gain by staying?
Mine was subtractive: what do I lose by staying?
Those two frames produce opposite answers almost every time.
Additive math asks what more you can gain. The answer is almost always: more. More money, more status, more optionality, more exposure.
Subtractive math asks: what is the cost of what you’re accumulating?
The operator who runs the subtractive math quietly becomes a better operator.
Because they stop adding things that compound badly.
Why It Matters:
Buildings work the same way my life does.
Every building owner is running additive math — more units, more rent growth, more leverage, more return.
The operators who actually compound wealth are running subtractive math — what’s the cost of what I’m accumulating? What happens in year 10? Where does this break?
That’s not pessimism.
That’s engineering.
The Resolution:
I still haven’t gotten to 45.
A few months to go.
I don’t know if my dad’s pattern is mine. I don’t live like it is — I live like every day is bonus.
But I’ve run the math enough times to have built a business that doesn’t require me to ignore it.
Blue Eyed Capital exists because I needed a life where the return on my hour wasn’t measured in stock price.
The debt fund exists because short-term lending lets me touch deals without trading a decade for them.
Every piece of this is downstream of the same calculation.
The Bottom Line:
Builders accumulate first and reckon later, by default.
You can invert that.
You can build the reckoning into the accumulation.
That’s the difference between building a business that owns you and building one that keeps the right doors open.
—Jon
P.S. Today’s LinkedIn post is the short version of this story. This is the rest.