A good way to lose weight is to start keeping a daily journal of the food you eat. By keeping a journal of the food you eat, you'll be more inclined to stick with your diet and you can keep track of what foods you like and which ones you don't like.
Getting enough sleep every night is actually very important when losing weight. A lack of sleep brings about irritability, an inability to focus and most importantly, a lack of energy. Fatigue brings about both a reduction of physical activity and an increase in behaviors, like overeating, which lead to weight gain.