To lose 10 kilos in three weeks time? That is absolutely possible. Of course, following a diet is not so fun and can be difficult. But you will be fine if you eat according to this schedule and you can lose 10 kilos within three weeks. It is not necessary if there is no time for that, but you could start to exercise extra alongside this diet. As long as you stick to this diet for 3 weeks, you will have achieved a good result afterwards.