There is a specific moment that arrives once you become known for doing something well: the requests start arriving before you have decided whether you still want to keep doing it. Nobody asks if this is yours to give this time. They ask when it will be ready.
It is easy to mistake this for belonging, because being needed and being suited can feel identical from the inside. Both produce the same rush of mattering to the people around you, the same warm sense of being relied on. But they are different kinds of pull. One comes from something in you that wants to be doing this particular work. The other comes from other people's convenience, from the plain fact that you are the one who already knows how, and it would cost them something to find or train anyone else.
The mechanism by which this happens is quiet and almost polite. Once people learn what you can be counted on for, they stop asking whether you want to do it again and start assuming that you will. Nobody decides this on purpose, and nobody is being unreasonable when they do it; it is simply efficient to keep asking the person who already says yes. It accumulates one small request at a time, until the thing you happen to be good at has quietly become the thing everyone expects of you, and the expectation itself starts to feel like proof of who you are, rather than a record of who was available.
This is what makes the situation hard to see clearly from inside it. Turning down work you're good at feels like refusing a gift you were given, some rare aptitude you owe it to the world to use. But a request is not a gift, and a compliment is not a contract. Somebody asking you to do the thing you're skilled at is not evidence that the thing is yours; it is evidence that they would rather not learn to do it themselves, or hunt for someone else who could. That is a reasonable thing for them to want. It does not obligate you to want it too, no matter how flattering the asking feels.
People who are competent at many things are especially exposed to this, because they have more surface area for other people's needs to attach to. The specialist gets asked for one thing. The generalist gets asked for everything they have ever shown they could handle, and each new yes becomes evidence for the next request. Without some deliberate sorting, a broadly capable person can spend a decade being extremely useful and only occasionally being themselves.
One honest test is worth returning to now and then: would you keep offering this if no one had asked twice? Would you still be doing it in a room where nobody was counting on you to? A second test sits alongside it: does saying yes here quietly use up a slot in your week that you would rather have filled with something you actually chose, instead of something you merely allowed. Neither question settles the matter by itself, but together they start to separate the work that draws something out of you from the work that only drains something out of you because it is easier for everyone if you keep doing it.
None of this argues for abandoning your strengths or refusing to be useful to the people who depend on you; a life spent avoiding every request would be its own kind of narrowness, and a poor trade for the one it replaces. It argues for keeping the question open on purpose, on some regular interval, instead of letting it get answered by default through sheer repetition. Every so often it is worth asking, plainly, of the thing you are known for: am I still doing this because it is mine, or because I am simply the one who always has. The two can look identical for years running. Only one of them is sustainable for a lifetime of doing it.
The Working Rule