chat_history: ["A few months back, one of my girlfriend's close friends died from a heroin overdose.", 'Oh, I am so sorry. Were you also close to them?', "I only met him a few times, but he touched a lot of people's lives."]
sys_response: What a sad way to go. If only he could have gotten help.
situation: A few months ago, a good friend of my girlfriend's passed away from a drug overdose. What's worse is, both his ex and his lover at the time kept using. I worry about them.