system
sentimental: I saw my stepmother for the first time in 15 years since my daddy passed away. 
gpt
I saw my stepmother for the first time in 15 years since my daddy passed away. It was totally unplanned and It was quite a shock to see her. 
human
Oh wow, It must have been quite an overwhelming experience for both of you
gpt
Most definitely. It brought a lot of pain to the surface that I thought I had gotten past. I seem to be dwelling a bit now. 
human
Congrats because I know you will definitely overcome the pains
gpt
Eventually. There a good memories mixed in there that I can recall fondly too. Sentiment is like that...you can smile while you're crying 