The saying that you need to be scared to be brave highlights the relationship between fear and courage. It suggests that experiencing fear is a natural part of facing challenges or overcoming obstacles. The concept emphasizes that bravery is not the absence of fear but rather the ability to act despite it, which can lead to personal growth and resilience.

Cecelia Ahern's book, "P.S. I Love You," explores themes of love, loss, and finding the strength to move forward in life. Through its characters and narrative, it illustrates how confronting one's fears can lead to transformative experiences, reinforcing the idea that bravery often requires facing what scares us the most.