"What was it about Carolyn that made her so cautious about revealing herself?"

In this quote, the speaker is questioning the reason behind Carolyn's cautiousness in revealing her true self. The use of the word "it" suggests that there is a specific quality or particular about Carolyn that is causing her to be safeguarded. This could be due to past experiences or a worry of vulnerability. The speaker's curiosity highlights the importance of understanding somebody's motivations and behaviors. It likewise hints at the concept that Carolyn may be concealing something or fighting with inner disputes. Overall, this quote prompts the reader to assess the complexities of human nature and the factors behind our actions.