blue: you do not look good, dude...
*yellow stares with a weird stare*
yellow: i'm good, thanks! haven't slept in three days, but i just gotta study a little bit more and finish up some groupwork
yellow: and then smoooooooth sailing from there!
*yellow looks at a concerned blue. yellows mouth is wide open*
yellow: good lookin' soul, dude!
blue: go to bed
Sleep is the best thing in the world and you should do it every night.