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Jul 21, 2026

by Jason @ Dad OS

The 3 numbers that matter for fat loss after 40 (and none of them is weight)

Stop weighing yourself. Start tracking these instead.

The 3 numbers that matter for fat loss after 40 (and none of them is weight)

Jul 14, 2026

by Jason @ Dad OS

The cardio mistake costing you 6 hours a week (and zero new muscle)

After 40, walking burns the fat — but only strength training keeps the muscle. Here’s the add.

The cardio mistake costing you 6 hours a week (and zero new muscle)

Jul 7, 2026

by Jason @ Dad OS

Vacation isn’t the enemy of recomp. Autopilot is.

You can’t out-discipline a week off. But three autopilot habits keep you from sliding.

Vacation isn’t the enemy of recomp. Autopilot is.
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// Dad OS //
Dads over 40 are losing energy, muscle, and time. Not you. Dad OS — one cheat code. 300 words. Every Tuesday.


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