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With a proper bevel set and hone you should not need to touch steel to stone for a long time. The amount of time differs from one person to the next and on the skill level in stropping. And to answer...

If a hone is done properly the wear on the spine won't be noticeable if it even shows at all. I would be suspect of the hone they did to your razor and try to find a Hone Meister in your area....