response: That's too bad. A broken heart is a metaphor, but it can refer to physical pain or stress.
original_response: Yes I to have suffered from a broken heart. It is painful.
history: Hey. My heart hurts from a broken relationship...
knowledge: Broken heart (also known as a heartbreak or heartache) is a term metaphor for the intense emotional—and sometimes physical—stress or pain one feels at experiencing great longing.