Finishes are tricky. On a small sample card, that textured paint or patterned tile looks exciting. But once you cover a whole wall or floor with it, the effect can feel too much—too dark, too busy, too shiny.
If possible, testing a small, less visible area first is a smart move. For flooring, you might install a couple of square metres in a corner or store room. For wall finishes, you can try one full wall in a secondary space. Live with it for a few days: see it in morning light, evening artificial light, and when you’re tired after work.
Your honest reaction over time is more reliable than that first “wow” in the shop. If you still like it, go ahead full scale. If not, you’ve limited the damage to one area instead of an entire house you now feel stuck with.