Find out your high and low periods by examining your 23-day physical rhythm, 28-day emotional rhythm, and 33-day intellectual rhythm, starting from your birthday. By knowing your future self, you can avoid disasters and seize opportunities.

The higher the sine wave, give you an edge; the lower the sine wave, life more difficult; and the days close to the center line are considered unstable and require caution.
The concept was proposed by German surgeon Wilhelm Fliess in 1897, but it is regarded as pseudoscience because there is no statistically significant data. It is good to have a little fun with it.