Written for my 10 yr old daughter who longs to have a dog.......
I have a little dog you know
A devil at my heel
Only I can see him
In fact he is not real.
He's with me simply everywhere
He's with me all the time
And 'cos no-one else can see him
He is completely mine
David Keig
http://www.poemhunter.com/poem/a-devil-at-my-heel/