Dogs understand that farts are funny. Nothing a dog does is for frequent flyer bonus points. Dogs don't care if you use their shampoo. A dog's family never visits. Dogs don't get cranky when they are lost.
Dogs understand that instincts are better than asking for directions.
Dogs like beer. No dog ever bought a Kenny G or Hootie and the Blowfish album. Dogs never criticize. Dogs enjoy heavy petting in public. Dogs seldom outlive you.