It answers all your questions and then some. They have learned the lessons of good nutrition and the miracles of ACV for themselves and their animals. The children were impressed when Farmer Bragg would have an old hen prepared for dinner. The old hen's meat was tough and didn't taste good. This is what happens to poultry and beef when it is deficient in potassium.
Human flesh suffers the same problems.
To prove to the children conclusively that apple cider vinegar and honey needed to be an important part of their daily nutrition, he would then select another old hen for the dinner table. This time he fed that old hen ACV twice a day. For a week to ten days he gave the hen the ACV mixture. When the hen was prepared for the dinner table, the children saw the difference in the old hen's meat. They saw how tender it was.