What are the most effective ways for me to lose weight and stay motivated?

Focus on the end: Result while planning healthy, enjoyable meals & fun exercise. To lose weight insure that calories burned exceed calories consumed. Drink at least 8 - 8 ounce glasses of water per day. Aim for at least 5 servings of vegetables and 4 servings of fruit per day. Use whole grain when possible. Avoid sodas, alcohol & junk carbohydrates. Get in a good mix of aerobic & weight lifting exercises.