system
sentimental: when i came across an old letter from high school 
gpt
I came across an old letter from high school from one of my best friends. 
human
That's really cool, do you still keep in contact with them?
gpt
Barely, things usually change after highschool. Its too bad. It was nice to come across tho and have memories. 
human
Yeah for sure, i hardly speak with any of my highschool friends either.