[monkeyshine]

I read years ago that dogs domesticated themselves. The few who learned to sit patiently waiting for human scraps to fall to the ground became pets and it was mutually beneficial since they would then bark and growl to protect their turf, thus alerting the human to potential dangers.

[ScubaDiver]

[frank ballenger]

Old line from Morris the Cat commercials: A cat who responds quickly to commands, loses control of his owner.