Articles
April 2026How Personal Is a Personal Trainer, Really?The economics of personal training at scale, and what "personal" actually means when a trainer is managing 160 clients via an app.May 2026Email Aliases for Privacy and SecurityYour email address is one of the most stable identifiers you have. Using aliases makes it harder for anyone to chain together information about you.June 2026You Already Use AI Directly. So Why Would You Want a Separate AI-Powered Service?If you already use ChatGPT or Claude, why pay for a separate AI coaching service? The answer has less to do with features than with what happens to your data.July 2026Self-Hacking, or: Psyching Yourself Into a Fitter Future SelfPre-commitment, the behavioral-economics strategy of arranging things so your future self wins, explains why a trainer works, and why AI coaching can too.August 2026What Gets Measured Gets Managed: The Case for Logging Your WorkoutsA friend’s decade of paper training notebooks and an employer portal that paid $25 for data entry prove one lesson: logging pays off only when it’s structured.September 2026No Fitness Goals, Huh?A colleague says he doesn’t have fitness goals. But research suggests maintenance, not transformation, is the goal most adults are actually pursuing.September 2026The Gym and the CoachGym memberships have always profited from the gap between access and use. An AI coach that isn’t tied to any one gym’s floor or schedule closes that gap.September 2026You’re Losing Weight. What About Strength?GLP-1 weight loss often costs muscle along with fat. Casey factors medication or weight loss into your program the same way she handles any physical detail.