Some discover their power later then others, this causes your body to weaken to adjust to your newly found power. Depending on how strong you and your power is, the time varies like weak powers and if your strong, you have a shorter amount of days to adjust but if your power is strong or your weak then it has a longer amount of days. Also depending on what your power is, you will be cold or hot like if you have fire, energy, light or earth-you will feel hot. If its water, ice, wind or darkness then you will feel cold.