The philosophical questions concerning self-control, well-being, and growth map directly onto my upbringing, as well as to the wider situation we are living in as a society these days. I grew up a forced Catholic who rebelled against beliefs that felt dated and constraining—and that disabled my true self. Self-control nowadays needs recalibration, as the ability to affect people (including oneself) has a tremendous asymmetry (I do a little bit, but I may affect millions). This bleeds into the...