Michael Bentt's neighbor, Mark Emerson, allegedly learned this the hard way. In a lawsuit, Emerson claims that Bentt pummeled him after he asked the pugilist to keep the noise down. And prepare to wince as we recount Emerson's damage: "A broken eye socket, a broken cheek bone, two black eyes, a bruised collar bone, numbness in the face, a chronically drooping eye socket and cheek" and on and on and on.