Because it's just not natural otherwise

Of course Gunther believed completely that he was a tough guy and completely fierce enough to be a threat to anyone. He narrowed his eyes in as the man spoke. Was he really going to try to act like he wasn't scared? He should be terrified of Gunther, or at least he believed so. He puffed up his chest as much as he could and launched down the final steps to come to stand about ten feet from the man. He was serious. He wasn't giving up his home to anyone, since he hadn't found to many other places that screamed comfort yet. After the storm passed he was kicking the three of them out. Alright but as soon as it passes your gone. I'm not losing another home to a bunch of meanies again. I already lost enough. He gave a nod to finalize his judgement of the man and the foxes.

He kept his singed tail up like a flag, he was letting everything he knew about fighting and intimidation show.

Listen!