Lots of good advice here (And bad, wii fit? Really?). This will probably be somewhat repetitive, but here's my 2 cents (for the record, I'm 29; 5'10"; 175lbs; 28 pull-ups; sub-5:30 mile; 285lb deadlift; sub-12 hour Ironman, and I used to be overweight). 1) The most important thing is diet. Anyone that says "I can eat whatever I want because I do X every day" has a naturally fast metabolism too. There's a lot of disagreement between a lot of experts about what to eat. Whatever diet you choose, you have to run a calorie deficit to lose weight so portion size is important. Overall, I think the average person eats way too many carbs, especially simple carbs and not enough protein and "good fat." So here's how you fix that: 1a) Cut sugar down, if not out, of your diet. Absolutely no soda, JUICE (seriously!), candy, donuts, pastries, cookies etc. 1b) Cut simple carbs down, if not out, of your diet. A good rule of thumb for this is anything white is not worth eathing. That means rice, pasta, bread (unless it's whole grain bread) etc. etc. 1c) Eat more protein. Chicken is probably the best because the easiest meal in the world is a peice of chicken and a vegetable. Fish is great too. Red meat is too, but has some other issues. Eggs too. Every meal should have a bunch of protein in it. 1d) Eat more unsaturated fats. Almonds are great, as are just about any nuts. Almond butter and "natural" peanut butter too but you have to watch the sugar content (see rule 1a). Avacado is good too. 1e) Most, if not all, carbs should come from vegetables. 1f) 5 meals is better than 3 meals. Try to think of food as "fuel" rather than "tasty." It's hard, but if you work at it, it gets easier. 1g) Drink a lot of water. In fact, if you're trying to lose weight, drink very little of anything else. Milk is good if you're trying to build muscle too, but won't help you lose weight if you're not lifting heavy. Coffee and Tea are good too. Other than that, almost any other thing that people drink is bad for weight loss. 1e) If you're going to drink alcohol, that's not ideal, but most of us do it. Light beer is better than regular, but the bigger thing is to not eat too many (or any) other carbohydrates that night. 2) The second most important thing is exercise. Your exercise routine should do all of the following: 2a) Be intense. Do not take up walking. The higher the intensity of your workout, the better use of your time. 2b) Do varied forms of exercise. Don't just run or bike or play basketball. Unless you're trying to get better at one of them in particular, do all of them. 2c) Lift weights. And don't use any of those machines at the gym that have cables and pulleys on them unless you are injured or are a body builder. If you want functional fitness, the best thing you can do in the weightroom is powerlifting (squats, deadlifts, presses) and, if you're feeling motivated and have someone to teach you, olympic lifts (clean, jerk, snatch). Bodyweight stuff (gymnastics) is great too--pull-ups, dips, push-ups, muscle-ups, burpees etc. 2d) Ignore the popular myth that "cardio" has to be seperate from "lifting." Pick two exercises and do them alternating at a high intensity level (like, for example, deadlift 185lbs 10 time, then do 15 push-ups, then repeat this pattern for 10 rounds as fast as you can (safely, without losing your form of course). Then do some similar pattern with different exercises the next day. Don't do the same one for at least a month. For more on this, here's an awesome gym in town: crossfitmilwaukee.com (I have no association with it except that I'm a member and really believe in the crossfit methodology.) Hope this helps.