My advice to anyone serious, and I don't have to lose much, a couple of kilos here and there, if you're serious write down everything you eat and drink and calculate the calories. Then look at your lifestyle, are you active or sedentary? We all eat a lot more than we think, we're very efficient at using calories, energy, if we weren't we'd soon starve to death. Skip meals, it has a lot of added benefits and reminds you what hungry feels like and not eating for a couple of hours doesn't leave you starving I've done it recently and feel a lot more spritely despite being the wrong side of 50.