Dog Chases Tail

He whirred around for quite some time hounding his stubby runt tail copious spittle, a flying trail coating the walls with sticky slime; before stopping, panting a spell then restarting counterclockwise  as if it would less tantalize; the tail continued to rebel. The cat looked on in feline scorn I, in turn, observed both dog and cat, who was having fun; me, the cat, or dog pursuing a chase forlorn?