It was a struggle being in a world of my own but what if somebody enters my world? What if I can't resist their presence? What if I can't reciprocate their feelings? What if they can't reciprocate mine?
These are the questions that every introvert is struggling with, every time another person enters their world. Other people may not understand, other people may not be able to relate, but this is real.
This is what happens to an introvert person's heart and mind...