As one of the ninjas you see the realistic truth of what happens after a lost fight. Everyone is mad and injured. It was kinda your fault for what you did. And the villian got away

So to cheer up everyone you start saying jokes and trying to be at least a little funny. But Lloyd has enough of some stupid jokes and stands up shouting at you

"WE DON'T WANT TO HEAR YOUR STUPID JOKES! CAN YOU SHUT UP FOR A SECOND?!" he shouted back