My personal experience, the first episode of single jump, a month down, no matter what, you can lose 4 kg and 5 kg.
I think it's good, but it's not good to be too intense. How long can you guarantee that you will last? If you exercise for 3 or 4 hours every day, you will lose a lot of weight in a month. So, can you insist? The rebound is more intense. Step by step is healthy and scientific.