I think Zidane was alot like any horny, sex-deprived tennager. (I.e.: me especially) He acts shady and pretends like he is big and bad... but he is really innocent in the end. He'd never do anything to Garnet if he had the chance. As for Steiner, I could understand why he would be upset. But it added to the plot and gave it a comedic touch. Zidane enjoyed getting Steiner all riled up, so he kept acting shady jsut to tick him off. Like when you have a substitute teacher and you organize everyone to raise their hands all at once just to be mean.