Being unable to be hurt is read as the wish for total security. Dream books also see it as emotional armour that protects but can keep you from feeling.
Where in your waking life have you met something like this lately?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.