What I think Vegeta would say:
Me: Man, I'm having such a bad day
Vegeta: JUST MOVE PAST IT
Me: I guess
Vegeta: HURRY UP! STAND UP AND JUST DEAL WITH IT
What I think Goku would say:
Goku: What's wrong?
Me: Just having a bad day
Goku: Trust me. I've been through worse. Don't worry, your day will get better
What I think Piccolo would say:
Piccolo: Hey, what are you thinking about?
Me: I'm just y'know having a bad day
Piccolo: Oh, ok whatever
What I think Master Roshi would say:
Master Roshi: Y'know sometimes you just gotta deal with it
What I think Gohan would say:
Gohan: Hey, what's wrong?
Me: I'm having a bad day
Gohan: Well, you gotta move past it and hope that something good happens
What I think Future Trunks would say:
Future Trunks: Hey, having a bad day?
Me: Yeah...
Future Trunks: In the future, more bad things will happen so try to deal with it and hope that something good happens
Goku 
Vegeta
Piccolo
Master Roshi 
Gohan 
Future Trunks
