system
faithful: I've only been with my boyfriend for 2 years, but I can't think about anyone else but him. 
human
I've only been with my boyfriend for 2 years, but I can't think about anyone else but him. 
gpt
Aw, that's so sweet!  Do you see a future together?
human
Definitely. We talk about marriage and children all the time, but we're still extremely young.
gpt
I really, really hope it works out for you guys!
human
Thanks! I hope so too.