Network decay is the cost of the relationships you stopped touching. You know 800 people, you keep up with about 50, and the other 750 quietly cost you deals, fees and seats every year without ever sending a bill.

Once a quarter you scroll your phone. Not looking for anyone. Just scrolling.

The banker from the Dallas dinner. The founder who said “call me in a year.” The family office principal who was going to introduce you to his partner. You recognize every name. You liked every one of them. The last text in each thread is 11, 14, 17 months old.

Nothing bad happened. That is the problem.

The line nobody books

Every business you have run has a P&L. Rent, payroll, software, travel to the conference where you met all these people. You can see every one of those lines.

One line never shows up. The mandate that went to a buyer the broker had heard from last week. The board seat that went to someone the chair had lunch with in March. The intro you promised and never made, which quietly told someone you do not deliver.

None of it registers as a loss. It registers as a thin quarter. That is why deals lost to silence never show up in your pipeline. The decay is real. It is just off the books.

The math, with illustrative numbers

Here is how I would run the math. Nobody knows your real inputs but you, so treat every number below as a placeholder and swap in your own.

Say you know 800 people. Say you keep up with about 50 of them with memory and discipline. That leaves 750 people you have not touched in 6 to 18 months.

Say 1 in 20 of those 750 will be near something valuable to you in a given year. A broker gets a mandate in your sector. An owner starts thinking about an exit. A host needs a speaker. A client needs exactly the person you know. That is about 37 moments.

Say that when one of those moments lands, you would get the call one time in three if your name were fresh. That is about 12 conversations.

Say one in ten of those conversations turns into something real. A deal, a fee, a client, a seat. That is one outcome a year.

Say that one outcome is worth $150,000 to you. That is the line. A $150,000 expense nobody booked, every year, for as long as the 750 stay dormant.

Change the inputs and the number moves. Halve every assumption and it is still real money. The point is not the exact figure. The point is that the figure is not zero, and you have been treating it as zero.

Decay compounds

If the cost were flat, you could live with it. It is not flat.

A relationship you touched three months ago is cheap to keep warm. A short text with a reason is enough. “Saw the new fund close. Congrats.” Nobody thinks twice.

At nine months, the same text feels a little odd. You need a better reason. You spend five minutes figuring out what you last talked about, and often you cannot find it.

At eighteen months, the relationship has changed shape. They switched firms. Their number is different. They remember your face but not your name. Now you are not reconnecting. You are meeting them again, and that costs as much as meeting did the first time.

So decay is not just lost opportunity. It is a rising cost to recover the asset. Every month you wait, the price of bringing a relationship back goes up, and some of them cross a line where they are simply gone.

Meanwhile you keep meeting people. Two to four events a month, 20 to 40 new names each time. The contact list keeps filling and the relationships keep leaking. The more successful you get, the faster the leak.

Your 50 are probably the wrong 50

The 50 people you do keep up with were not chosen. They are whoever is on your current deal, whoever texts you most, and whoever you happen to like. Memory picks by recency and fondness, not by value.

The broker who brings you next year’s best opportunity is almost certainly in the 750. So is the person who would have made your career with one intro. You are not maintaining your most valuable relationships. You are maintaining your loudest ones.

This is the limit Robin Dunbar described: people tend to hold around 150 stable relationships, with a layer of about 50 they actively keep up with (summary and sources). I covered what that limit means for deal flow in the Dunbar number problem. The money version is simpler. Past 50, memory is not a system. It is a lottery.

I learned the fix before I had a name for it. When I moved to Miami, I logged what each person told me after every conversation and used it the next time I reached out. That is how I stayed front of mind with far more people than memory could hold. The same habit is why I have facilitated over 1,000 introductions.

What it costs to stop the leak

Here is the other side of the ledger, also illustrative.

You do not need to touch all 750 people on a schedule. That is the trap that kills every spreadsheet by week two. You need to touch the right few each day, when there is a real reason.

Say you send five short notes a day, each with a reason tied to that person. A post. A birthday. A job change. A follow up from an event you never closed. A company in the news. At two minutes each, that is ten minutes.

Five a day over a working year is more than 1,200 touches. That reaches every one of your 750 dormant contacts more than once, and it reaches the ones with something happening first. Ten minutes a day against a six figure line. That trade is not close.

The hard part was never the ten minutes. It is knowing which five people, and why today. That is research across 800 people, every morning, and no human does it. For the cadence side of a big list, see how to maintain 500 plus relationships. For finding the ones already past the line, see how to audit your network for dead relationships.

The system that books the line for you

I built FRONT OF MIND to do that research every morning.

It opens on your 10 minutes for today. Each person on it has one line saying why today: they posted, it is their birthday, you met at an event 12 days ago and never followed up, a pipeline deal has been quiet for 7 days, their company was in the news, or they are going cold. Posts only show up when they are confirmed to belong to that person.

Every draft is written like a text, 40 words max. Nothing sends without your tap, and it learns from every edit you make. Ask Liala out loud, “who do I know that is an M&A advisor,” and get the right people with the reason why. Your contacts are encrypted. No one on our team looks at them, and you can export or delete anytime.

Start free with your first 25 contacts and see who comes up first.

See how it works