You can lose 10 kilograms in a month if you cut out carbohydrates from your diet. Carbohydrates are complex and when they break down, they become plainly sugar in our body. Fruits has fructose, so, avoid any fruits too. If you want to drink coffee with cream, make sure it's sugar-free because the cream itself has carbohydrates. Eat only protein and fats to turn your body into a fat-burning machine.