Michael Phelps has just announced that he is coming out of retirement for the 2014 swim season. Considering he's got 22 Olympic medals under his belt, this could mean bad news for other competitors. But we've definitely got our fingers crossed for Phelps. Men's Fitness caught up with him before he retired and he shared some of his training dos and don'ts. If he sticks to these tips, there's a good chance we'll see him in Rio in 2016.