The moment to ask about a broken fastening is before it breaks. It is not an unromantic question. It is part of imagining a longer relationship with what you buy.
For clothing, find out whether the garment has enough allowance for alterations and whether its construction permits them. For a bag, ask whether hardware and handles can be replaced. For a knitted piece, ask what kind of repairs are possible and whether the maker offers them or recommends someone who does. A seller may not know every answer; a thoughtful one should be willing to find out.
Separate three promises that are often blurred. Care is what the owner can do routinely. Repair is what can restore function after damage. Warranty is a defined responsibility under stated conditions. None should be inferred from “made to last” in a product description.
The answer may influence your choice more than a dramatic photograph. A piece that can be altered, serviced or mended may fit your life better than one that feels perfect only on the day of purchase. That does not mean every object must be endlessly repairable. It means you should know the limits before they matter.
Buying well is partly an act of curiosity about the future. You are not only asking how the object looks now. You are asking what happens after it becomes yours.
A real repair can be more revealing than a claim of durability. Look at how an object comes apart and how it can be put together again. A fastening that can be replaced, a seam with enough material to work on or a finish that can be renewed gives the piece a different future. These possibilities depend on the specific construction; they should be described by someone who knows the object, not inferred from a photograph of a workshop.
When you are deciding between two pieces, ask the same three questions of both sellers. What routine care is recommended? Which common failures can be repaired, and by whom? What does the written warranty actually cover? The answers may be imperfect, but they reveal whether the relationship continues after delivery. A repair service cannot make every object immortal. It can, however, change what happens when an otherwise loved piece meets ordinary damage.
If the seller cannot answer immediately, ask for the maker's written guidance. An honest referral is more valuable than confident advice about a material the seller cannot identify.