system
sentimental: I read some letters from a friend.  They are extra special since he passed away a few years ago.
gpt
I was thinking about a friend of mine who passed away a few years ago.  Then I found some letters that he had written me.
human
I bet that whipped up a lot of feelings inside of you. I'm sorry for your loss.
gpt
It did, but it made me smile while reading them.
human
That's great. It's just as good to remember the great times you spent together as it is to grieve.