Health Operating Systems & Delegation

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Jack Krucial is the man behind Lethal Gentlemen — a Substack and social media project designed to help men live and perform like the top 1% in all domains.

He uses his experience as a performance coach for high-level clients to develop protocols, standards, and goals that help men actually live like a real-life Bruce Wayne or James Bond.

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Timestamps:

00:00 — The beauty of unscripted podcasts & creator-to-creator collaboration
01:48 — Building online vs. building locally: why both matter for men today
03:15 — The origins of Lethal Gentleman & Jack’s background in martial arts and S&C
04:57 — Aesthetic + actionable advice: the formula behind Jack’s viral content
06:06 — Bond, Bruce Wayne & the modern Renaissance Man archetype
07:11 — Creating objective standards for the “durable man”
08:43 — Training to live vs. living to train: escaping hyper-optimization culture
10:03 — James’s journey to sub-15% body fat & the realities of cutting
11:07 — How to stay lean while traveling (the high-steps + high-protein method)
13:52 — Building a personal “Health Operating System” (even if you’re busy)
15:21 — Travel protocols: gyms, sleep, jet lag & airport strategies
22:45 — Alcohol 80/20: minimizing damage without killing your social life
29:59 — Jack’s minimalist supplement philosophy (and what actually matters)
35:02 — Why men chase shortcuts (and why real progress is unsexy)
38:03 — The lost art of slow mastery, patience, and craft
43:04 — James on building Gent Z, inventing the timeless-style niche & moving fast
47:03 — Jack’s vision: Lethal Gentleman as a movement, not a personality brand
51:04 — The goal: top-tier performance across business, body, and life
54:54 — Designing the daily routine of a modern Bruce Wayne
1:00:49 — James’s daily routine: discipline, walks, cigars & Spanish lessons
1:06:03 — Why the world needs Renaissance men again
1:19:24 — Where to find Jack: Instagram, Twitter, Substack & coaching