chat_history: ['I really do miss my mother. She has been dead for about 15 years now.', "I'm very sorry for your loss. Thinking about and remember all of your good memories with her may help.", 'It is a blessing and curse. When I am having problems I think about what she would say to me.', "That's a good way to remember her and keep her close to your heart.", 'Yes, it is. I know that time heals.']
sys_response: Yes, it does.
situation: I think about my mother and I getting really sad. She has been dead for 15 years now.