“What happened to Stan’s eye Mum?”

“He got glaucoma and went blind.”

“Why didn’t the vet fix it Mum?”

“He tried but there was nothing he could do about it.”

“Will I go blind Mum?”

“No! of course you won’t! You won’t get glaucoma.”

“What have I got Mum?”

“You tell me. What have you got?”

“Trucks Mum.”