Final answer:
Robert Baratheon may have experienced indigestion or acid reflux after his heavy meal, causing chest pain that mimics a heart attack. It is important to maintain a healthy diet to prevent such symptoms.
Step-by-step explanation:
Robert Baratheon experienced chest pain after a heavy meal at his favorite Italian restaurant. He called 911 thinking he was having a heart attack, but was told his heart was fine and he needed to watch his diet. This indicates that Robert may have experienced indigestion or acid reflux, which can cause chest pain that mimics a heart attack. It is important to maintain a healthy diet to prevent such symptoms.