A wickedly humorous look at this many rite of passage.There are certain times in a guy's life when everything changes--and turning 30 is a huge milestone. No more excuses: you are, or should be, a full-fledged adult. To make things a little smoother on this momentous occasion, Esquire lets you know exactly what a man should no longer be doing. Just in case you can't figure it out for yourself. Here are just a few of the never-to-be-forgotten, wildly funny rules about the old habits you simply have to leave behind:See any movie with elves, mutants, wookies, or other non-human characters on opening nightFigure out which dirty words are spelled by phone number.High five in a business situationTravel to attend a Phish concertHave any furniture that involves cinder blocks Google ex-girlfriends