Answer: He comes to realize that he is drawn to a career that challenges his mind.
Step-by-step explanation:
From the story, Craig worked at the hotel and really loved working there but on this particular day, he listened to the conversation of some people who were involved in advertising and this really captivated him.
Fo the rest of the day, he was thinking about advertising and his mind was racing. He spoke to his friend Maya about advertising and how he was really interested. Therefore, Craig changed over the course of the story as he comes to realize that he is drawn to a career that challenges his mind.