For 21 days, you take normal shower and on the end of shower you turn the water all the way to cold part and hold it that way for some time. You start by holding it shorter and then you make it longer each day.
Have you ever tried 21 day scottish shower challenge?
For 21 days, you take normal shower and on the end of shower you turn the water all the way to cold part and hold it that way for some time. You start by holding it shorter and then you make it longer each day.
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