What i cant stand is when people tell a joke they cant deliver the punch line the right way, there is a art to it and everyone can do it. when telling a story about your friends doing something stupid you'll get excited at the part of the story where the stupidity occurred.

well, say this your voice will become lauder and maybe higher in pitch to and your eyes will become wider and your body language will show that your excited you have to be excited when telling the joke to , you'll always get more laughs.