Every Reiki teacher should be stressing self care! After each attunment you should be healing yourself for the 21 days it takes your body to adjust to the new energies. During the 21 days, a lot of cleansing takes place in your body. You need to drink lots of water and get good sleep. If you practice your Reiki during these days it will remove any negative energies that have accumulated in your body. Each chakra takes about 3 days, hence the 21 days. Your body is still new to the energy being channelled, and it takes 21 days for it to get adjusted to the new activity. From a psychological aspect too, it has been found that a person takes about 21 days to form a habit. You need to continue practicing Reiki everyday even after the 21-day period. During the 21 days, try to make sure you practice everyday! If you don’t drink enough water you may get ascension symptoms, and we do not want that.