Blog

Writing on training, nutrition, and habits

Training, nutrition, and habit-design writing from the PerformanceOpti team.

2026-09-09

The "Incidental Expense" — A 250-Year-Old Idea That Still Explains Your Budget

Benjamin Franklin's sharpest financial idea wasn't about earning more — it was about the small charges you've stopped noticing. Here's how to find yours.

2026-09-09

The Hand-Portion Method: How to Eat Right Without Counting Anything

A palm, a fist, a cupped hand, and a thumb — the only "measuring tools" you need for portion control, explained simply.

2026-09-09

Never Worked Out Before? Start With These 4 Mobility Drills

A joint-health-first mobility routine for absolute beginners — no gym, no equipment, no trainer required.

2026-09-09

What Is an Audio Book Summary, and When Should You Actually Use One?

An audio book summary condenses a book's core ideas into a short narrated piece. Here's what it's good for, what it isn't, and how we build ours.