It would be wasted time to try to argue her out of her delusion, it couldn't be done; I must just humor it.

So I said: "This is a common case--the enchanting of a thing to one eye and leaving it in its proper form to another.

You have heard of it before, Sandy, though you haven't happened to experience it.
But no harm is done.

In fact, it is lucky the way it is.

If these ladies were hogs to everybody and to themselves, it would be necessary to break the enchantment, and that might be impossible if one failed to find out the particular process of the enchantment.
And hazardous, too; for in attempting a disenchantment without the true key, you are liable to err, and turn your hogs into dogs, and the dogs into cats, the cats into rats, and so on, and end by reducing your materials to nothing finally, or to an odorless gas which you can't follow--which, of course, amounts to the same thing.