Resisting the Temptation to Eat a Coupon

The other day, I received a routine email from my broker. One of my treasury bond coupons was about to mature, and they needed to know what I wanted to do with the interest. Should they reinvest it into another bond, or send the money to my bank account?

At face value, it’s a simple question. But the moment I read it, I felt a familiar tug-of-war begin inside me.

You see, I’ve made a personal commitment: every coupon, every payout, should be reinvested. The goal is to build a critical mass of capital—something large enough to eventually generate reliable passive income. That kind of financial peace takes time, and discipline, and I’ve told myself that nothing should get in the way of that.

But staring at that email, the temptation to redirect the funds to my bank account was very real. School fees are around the corner. There are lingering projects that could move forward if I just loosened the reins a little. That money, though modest, could make life a bit easier right now.

This is the emotional reality of compounding that rarely gets talked about.

On paper, the concept is elegant—invest a little, give it time, and let it grow. But in practice, compounding tests your patience in quiet, persistent ways. It isn’t about understanding math. It’s about making hard choices when no one is watching. About saying no to today, over and over again, in the hope that tomorrow will reward your restraint.

It’s easy to believe in compounding when you’re not under pressure. But when real life knocks—when the bills pile up, when the car breaks down, when your child’s tuition is due—it becomes harder to justify locking away money you could use right now.

That’s the real dilemma. Not whether compounding works—it does—but whether you can stay the course long enough to let it.

And the irony is, compounding doesn’t ask much of us in any given moment. Just small, steady decisions. A reinvested coupon here. A disciplined choice there. And, like Charlie Munger wisely said, “The first rule of compounding is to never interrupt it unnecessarily.”

Those words have been echoing in my head since that email landed in my inbox. Because that’s exactly what this decision represents. A choice to keep the rhythm going—or to pause it, just a little. But even the smallest interruption can ripple outward. If I give in today, what about the next time? What about the next temptation?

There’s no glory in reinvesting a coupon. No parade. No fanfare. Just a quiet victory of principle over impulse. But those are the victories that matter most. Because that’s how compounding works—slowly, silently, and only if you don’t stop.

So here I am. Wrestling with a simple question that feels anything but simple. Should I reinvest the coupon, like I promised myself I would? Or ease today’s pressure, knowing full well that I’m stepping off the path, even if just slightly?

This, I’m realizing, is the real nature of wealth-building. Not just in numbers, but in character. The math is simple. But the discipline to follow through, day after day, year after year—that’s the hard part.

And maybe that’s the point.

Because compounding isn’t just about money. It’s about becoming the kind of person who can say “not yet” when “now” looks so tempting. A person who chooses the bigger story over the quick fix.

And right now, I’m trying—imperfectly, but honestly—to be that person.

One coupon at a time.

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