Summa

The Science of the functional overreaching

In Sports Science, we view an intense training block as a period of functional overreaching. You have intentionally pushed your body into a state of temporary "system failure" to trigger a survival response.

In short: You spend the training block digging a hole. You spend the taper filling that hole and building a mountain on top of it.

Link in bio for the breakdown.

Willpower is a biological output.

Drive requires fuel. You cannot out-hustle a tired system. When your sleep is dialed in and your stress is managed, discipline feels automatic. When your system is drained, everything feels heavy. Fix the biology first, and the willpower follows.

Free Testosterone is the active driver. A saliva-draw shows what's available in your system right now.

Most of the testosterone circulating in your bloodstream isn't actually usable in that moment. Roughly 98% of it is tightly bound to proteins – primarily S*x Hormone-Binding Globulin (SHBG) and albumin.

The remaining 2% to 3% is your Free Testosterone. Because it isn't bound to these transport proteins, it is the biologically active fraction. It is free to enter cells, bind to androgen receptors, and drive the physical and mental effects we associate with testosterone, from muscle protein synthesis to energy and mood regulation.