Why does clark become doubtful about his plan to take his aunt to a concert?

Clark becomes doubtful about his plan to take his aunt to the concert due to unexpected complications that arise, such as logistical issues or concerns about her enjoyment. He may also feel uncertain about whether the concert experience will meet her expectations or if she is physically able to attend. This inner conflict leads him to reconsider the feasibility and appropriateness of the outing. Ultimately, his hesitation stems from a desire to ensure a positive experience for his aunt.