None of it looks like using someone at first.
He shows up. He pays for dinner, sometimes for the whole table. He remembers your boss’s name and asks how the meeting went.
The accounting surfaces later, usually when you need something back, or when you’ve stopped being able to supply whatever you were supplying. That’s when you find out the warmth had terms.
The people most likely to miss the signs are the ones who learned early that being useful was how you got kept, because a man who values you for what you provide feels, for a while, exactly like a man who values you.
The terms were visible the whole time. They just showed up in smaller places.
1. They keep a mental ledger of who owes whom
She drove him to the airport in February. He brings it up in August, when she asks him to help move a couch, and he says it like a joke: guess we’re even now.
It isn’t a joke. He has the dates.
Psychologists Margaret Clark and Judson Mills spent years drawing a line between two kinds of relationships. In communal ones, people give because the other person needs something. In exchange ones, benefits are given to repay a debt or to set one up.
In a 1989 review of that work, Clark and Gail Williamson described keeping track of individual inputs as a signature exchange behavior, something strangers and business associates do and friends avoid. In one of the experiments they cite, men who wanted a closer relationship with a woman liked her less when she promptly repaid a favor.
The man with the ledger has the relationship filed under the wrong category. He’s running a friendship or a romance on the rules that govern a bar tab, and he’ll tell you the tab is fair.
2. They disappear the moment there’s nothing left to collect
The company she worked for, the one that could get him in the room, lets her go in the spring. The texts thin out by summer.
Nothing dramatic. No fight, no announcement. Replies slow from minutes to days, plans get vaguer, and one afternoon she realizes it’s been two months and the last three messages were hers.
A man who values relationships for what they provide doesn’t end them so much as let them lapse, like a subscription he no longer needs and never bothered to cancel. The cruelty isn’t in the leaving. It’s in how little effort the leaving takes.
What’s missing is the one thing that would have kept him there: any interest in the person that wasn’t tied to what the person could do.
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3. They ask questions that are really screenings
Twenty minutes into meeting someone, he already knows where they work, who they know there, and whether their brother still has the boat.
He asks a lot of questions, and on a first meeting it can pass for interest. The difference shows in what he does with the answers. Nothing you say about yourself gets a follow-up unless it connects to something he might need.
Most people feel something off when they do this.
Researchers Tiziana Casciaro, Francesca Gino, and Maryam Kouchaki found that building contacts for personal gain makes people feel physically dirty, in a way that reaching out for friendship or support does not. Participants who recalled networking for advantage were more likely to complete word fragments with cleaning words, and lawyers who felt dirtiest about it did it least.
People who were handed power, though, felt much less of that discomfort.
The man who screens everyone he meets has either never felt it or has found a way around it. Either way, the questions aren’t about you. They’re an inventory.
4. They introduce people by what those people can do
“This is Dana, she’s the one who got us the tickets.” “This is Marcus, he does our taxes.” “This is my buddy Rob, he’s got the truck.”
Everyone gets a function. Listen to how he talks about the people in his life and you’ll notice the descriptions are almost all verbs: what they got him, what they can fix, who they know.
It sounds like harmless shorthand, and sometimes it is. Over time it reveals how the file is organized. He doesn’t remember that Dana is funny or that Marcus just lost his dad. He remembers the tickets and the taxes, because those are the fields he fills in.
Ask him what a friend is like as a person and watch the pause.
5. They say thank you like they’re closing out a tab
She spends a weekend helping him paint the apartment. On Sunday night he says I owe you one, and he means it precisely. He now owes one. The debt is logged and the matter is closed.
There’s a version of thanks that does the opposite. It tells the other person that what they did landed, that it met a need, that they were seen doing it.
A 2020 study in the Journal of Social and Personal Relationships compared the two. Among 111 people in relationships averaging four and a half years, partners responded more warmly when gratitude highlighted how responsive they’d been than when it focused on how much the favor had cost them. Something like I wouldn’t have made the meeting without you worked better than I know that was a hassle.
It was a small lab-and-diary study, and the authors say it needs replication. But it lines up with something people already sense: a thank-you that settles a debt feels different from one that acknowledges a person.
The transactional man only knows the first kind. His gratitude is a receipt.
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6. They treat generosity as a down payment
The watch arrives in October. Her birthday is in March.
Then the request comes, a few weeks later, and it’s sized to match.
Generosity from a man like this is never free-floating. It’s placed. He gives in order to create an obligation he can call in, and the size of the giving tells you something about the size of what he’s planning to ask.
The tell is what happens when the request is refused. A gift is a gift. A down payment that doesn’t close becomes a grievance, and the watch, the trip, the favor get brought up as evidence of what he’s owed.
7. They walk away from people without any visible discomfort
The breakup takes one conversation. The friendship of six years ends over a text. The business partner who became a close friend becomes, in his telling, “someone I used to work with.”
He isn’t cold about it, exactly. He’s efficient. And when he talks about the people he’s cut off, he describes what the relationship cost him: the time, the money, the hassle of the last year. Almost never what it was.
Psychology has a name for the trait closest to this pattern. Machiavellianism, broadly, is a disposition toward self-interest and treating other people as instruments, and it tends to come with emotionally detached relationships and a reluctance to commit.
In a study of 205 couples published in the Journal of Personality, psychologist Igor Kardum at the University of Rijeka and colleagues found that higher Machiavellianism in either partner predicted lower satisfaction for both of them.
The design was cross-sectional, so it can’t say which direction the effect runs.
What the trait describes, in plain terms, is someone for whom other people are a means. Leaving a means behind doesn’t hurt. You reach for the next one.
