There was a time when I didn’t realize how much my life was being shaped by the way I saw myself. I thought my results were coming from external circumstances—luck, timing, other people. But the deeper I looked, the clearer it became: everything traced back to my self-concept. The quiet beliefs I held about who …
I used to ignore cortisol most days. Sure, like most people, I knew it helped produce some sort of stress response. That was about the extent of my awareness. Until I started experiencing weird symptoms—things I didn’t think were connected but eventually added up to a serious signal that my body was under chronic stress: …










































