Billy experienced frustration from missing his horse, which was a significant inconvenience for him. The situation arose due to his extended period of inactivity followed by a brief rest. Unfortunately, this left him with no option but to continue on foot, limping as he went.
This moment emphasizes the consequences of time lost and the challenges faced in his journey. Despite his irritation, Billy had to confront the reality of his predicament, accepting that he must find a way to move forward without his horse.