To lose weight you need to plan your diet.
First thing to deny is fast food. Do not deny fast food completely. You are human and also want sometimes to eat your favorite food. Just try to cut fast food meals. Visit McDonalds twice a week and not everyday. Order two times less food than usually. That's all about fast food. The first step was made.
The next thing will be taking regular meals. Take meals 4-6 times a day, each on a fixed time. Take meals so that you feel a little hunger after eating. This will allow your stomach to meet with your food properly. No fat will be stored!
The third thing is exerising . This is the most boring thing but very effective. Do not deny playing tennis with your colleagues or just take a run.
This is an old and proven diet plan. Today diet plans has transformed a little bit and the fourth thing has been added. The fourth thing of your diet plan can be weight loss pills. You need them only if you want to lose weight faster or just if you have failed with the previous techniques. About 90% of all obese people fail with their first dieting experience. They seek for an effortless way to lose weight. But there are now effortless ways. Remember this!