"If the dog could hum, he'd be singing "La-la-la!" in tune with his footsteps. Cough sauntered over to him. William pressed against the wall. No bullets. So far, so good. Cough clenched, and vomited something chunky onto the grass. Terrific. The big dog sat on his haunches and looked at William with a perplexed expression on his face. "Well, eat it back up," William hissed. "Don't waste it." Cough gave a tiny whine. "I'm not eating your puke." Cough panted at him. "No."