Dog
The modern dog serves functions that defy comprehensive cataloguing. Security, companionship, disability assistance, therapy provision, vermin control, contraband detection, search and rescue, herding, and the enforcement of regular exercise upon otherwise sedentary owners. A single dog can perform multiple roles simultaneously, providing emotional support whilst also alerting to intruders and ensuring the household maintains a schedule compatible with canine bladder requirements.
Research indicates dog owners walk an average of 22 additional minutes daily compared to non-owners, a health intervention that no prescription medication has matched. The dog is, in effect, a self-propelled wellness programme that also barks at postal workers.
Bread
Bread constitutes the foundational food of most human civilisations. It provides complex carbohydrates, protein, fibre, and B vitamins in a format that pairs acceptably with virtually any other foodstuff. Bread can be consumed at breakfast, lunch, dinner, or during the anxious 2am refrigerator visits that define modern existence. Its versatility is unmatched: toast, sandwiches, bread pudding, stuffing, croutons, and the soaking of gravies represent merely the beginning.
Global bread consumption exceeds 9 billion kilograms annually, making it humanity's most eaten prepared food. No dog, however loyal, has ever successfully absorbed gravy.
VERDICT
Bread feeds bodies with admirable efficiency, but dogs serve emotional, physical, and social needs simultaneously. One cannot train bread to detect seizures.