Sim: dummy...You Dummy... DUMMY! DUMMY! DUMMY! DUMMY! YOU DUMMY!
Zim: Quiet!
Sim: huh?! Zim?!
Zim: Is that how you thank people? Callin' them names?
Sim: oh Zim...
You are possibly wondering what's going on... Zim risked his life to save Sim from a horrible attack! And Sim is calling him a "dummy" for doing that! Hey! Be thankful your still alive!
Sim: I don't want to be alive! If Zim's not there with me...