Sweetheart, it is always scary when someone you love is in pain, and the thought of losing them is a scary thought. She needs your love and support and you have to be strong for her. There are many things that can cause chest pain
. Life and death are hand in hand. You will never have one without the other. She is probably scared and needs a familiar face with her. Put your fears aside and go to her show her your love and support. She is the most important thing. Be there for her, good luck.