When the dog was made angry the bullet stopped, which meant that the digestion stopped; when the dog was over-excited in any way digestion stopped.
When he was calmed down it went on again.
There are many reasons why we should learn to meet life without useless resistance, and the health of our stomachs is not the least.
It would surprise most people if they could know how much unnecessary strain they put on their stomachs by eating too much.

A nervous invalid had a very large appetite.

She was helped twice, sometimes three times, to meat and vegetables at dinner.

She thought that what she deemed her very healthy appetite was a great blessing to her, and often remarked upon it, as also upon her idea that so much good, nourishing food must be helping to make her well.

And yet she wondered why she did not gain faster.
Now the truth of the matter was that this invalid had a nervous appetite.