"Some sort of potion or something," Sam said with a now slightly more practiced llama shrug. "It was really bright pink."

He turned his long neck to follow Aziraphale's circle. "It isn't. I was... uh, looking for you, actually. Can you... help?"

He tried not to look too pathetic just then, but big llama eyes and a fuzzy face weren't conducive to looking nonchalant, especially when he was feeling as miserable and tired as he was. "I don't want to go home as a llama."

Assuming they were on their way to achieving that. He was trying to sound more positive than he felt.