system
sentimental: I don't want to sell my grandpa's car.
gpt
I can't get myself to sell my grandpa's old Cadillac. 
human
Feeling sentimental much?
gpt
I suppose so. It holds a special place in my heart even though its so old.
human
I know how you feel.  I've got old rifles from both of my grand fathers... along with some WW II bring backs.  I don't think I could sell them.