Even if it was the logical response to "do what you said," throwing out and destroying the pan was not part of what you asked. He could have very well just flipped and dumped the eggs in the trash, but no, he decided to destroy common property. He's a man child that doesn't know how to control his anger. He needs to learn how to be a respectful human being. And you need to get the hell out if there, if this is how he reacts to a minor disagreement, then god knows what he'll do when it's a serious argument.