If you're trying to lose weight, an easy tip is to take out the easy to eat junk food from your kitchen, and replace it with healthy alternatives. Avoid candy bars, crackers, sodas, cookies, and the like, and replace them with things like fresh vegetables, ready made salads, frozen fruits and vegetables, and the like.
To lose weight, change your focus from being thin to being healthy. If you concentrate your efforts on your health, weight loss will follow, because a healthy lifestyle does not support habits, which lead to weight problems. So, work towards eating the recommended servings of fruits and vegetables each day, as well as, getting enough exercise.