If a dog bites its own tail

If a dog bites its own tail
will it cry or will it wail?

All I know is that it will never fail
to guard its master through every gale

If a dog is sent out
Will it scream or will it shout?

All I know is its little snout
will have a smile when it does trot! 🙂

If a dog is a man’s best friend
does friendship ever have an end?

All I know is never to tend
to lose any special friend!