What is another reason she might put on a show of indifference?

She might put on a show of indifference as a defense mechanism to protect herself from vulnerability or emotional pain. By appearing aloof, she can create a barrier that prevents others from getting too close, which helps her avoid potential disappointment or hurt. This facade can also serve to maintain control in social situations, allowing her to navigate interactions without revealing her true feelings. Additionally, it may be a learned behavior from past experiences where showing emotion led to negative outcomes.