system
joyful: Today I felt really happy that I was getting some work done. It's been a very busy past couple weeks. I also have a new job that I'm working on.
gpt
I felt really elated to be getting work done. It's hard sometimes and  I pulled through. The happiness is real too!
human
Which work are you talking about. it is always a good feeling to get things done. There a way your brain reward you with good feeling 
gpt
It was just some stuff for a new job. Do you feel happy to complete stuff?
human
Oh yes, i do most times. Who does not