Everything You Know About Fitness is a Lie
If you really want to get fit, there's one easy thing you can do that actually works:Take up a sport that gets you fit as a side effect.I have two obsessions in life: Rock Climbing and Surfing.  I'm pretty good at the first, and borderline hopeless at the other, but I'm committed to the point where I've arranged my life so that I can travel for months at a time to pursue one or the other each year.When I'm working a contract to save up for the next trip, I'll find myself slowly fattening up on fish tacos and 12 hour days coding in a felt cube with only the occasional after work or weekend fix of rock or salt water.  After a few months I'm decidedly soft, and quite a bit heavier.  But put me on the beach in Thailand for 5 months and holy crap, what a difference.It's like Fat Camp out there.  There's so much fun climbing to be had right on the beach.  Overhanging routes that work you into the sort of shape that lets you literally hand-over-hand your way out a horizontal roof by your fingertips as your feet dangle out in space.  Without anybody forcing you, you spend your entire day working yourself silly, then you come back and eat rice.  You can imagine what that does for your physique.  It's like a convention of Men's Health cover models out there.I come back to the world, and watch people going to the gym and clearly hating every minute of it.  I can't understand why they would do that to themselves, when there's a climbing gym just a few miles away.