Quick Summary:
- Week 2 was my worst week of the comeback: 2 of 4 training sessions, untracked and honestly bad eating. The scale dropped 2.4 kg (5.3 lb) anyway, to 83.9 kg (185 lb), below my starting point. After week 1 scared me upward, week 2 flattered me downward, and both were mostly water.
- The real 2-week trend is quietly excellent: fat mass down 0.8 kg (1.8 lb) to its lowest yet, skeletal muscle up 0.6 kg (1.3 lb) over baseline, waist at the navel finally moving (96.3 to 95.9 cm), waist-to-hip ratio down from 0.98 to 0.94.
- Cutting after 40 starts tomorrow: 10 weeks, a moderate 300-400 kcal deficit, protein pinned at 150 g per day tracked in MyFitnessPal, 4 lifting sessions plus 2 Zone 2 cardio sessions per week. Every Sunday number lands on the comeback log.
- The bad week, in numbers
- What cutting after 40 changes (and what it does not)
- My complete 10-week cutting plan
- The tape redeemed itself
- Frequently asked questions
- Final thoughts
- References
I went to bed last night dreading this morning. Week 2 was supposed to be my second big training week before cutting after 40 became a daily reality: 4 sessions, plenty of fuel, metabolism at full revs. Reality delivered 2 sessions, a diet I would not publish as a meal plan, and the kind of week where the calendar wins every argument. I stepped on the scale expecting punishment.
The scale said 83.9 kg (185 lb). Down 2.4 kg (5.3 lb) in 7 days. Below my starting weight. After my worst week since this comeback began.
If you understand why that happened, you understand the single most important thing about body data after 40, and you will never let a Sunday morning number decide your mood again. So let me show you the whole board.
The bad week, in numbers
| Metric | Baseline (Aug 9) | Week 1 | Week 2 |
|---|---|---|---|
| Weight | 84.6 kg (186 lb) | 86.3 kg (190 lb) | 83.9 kg (185 lb) |
| Body fat | 16.2% | 15.4% | 15.4% |
| Fat mass | ~13.7 kg (30.2 lb) | 13.3 kg (29.3 lb) | 12.9 kg (28.4 lb) |
| Lean mass | 65.5 kg (144 lb) | 66.6 kg (147 lb) | 66.2 kg (146 lb) |
| Skeletal muscle | 43.7 kg (96 lb) | — | 44.3 kg (98 lb) |
| Waist (navel) | 96.3 cm (37.9 in) | 96.3 cm (37.9 in) | 95.9 cm (37.8 in) |
| Waist-to-hip ratio | 0.98 | 0.95 | 0.94 |
| Sessions | — | 4 of 4 ✓ | 2 of 4 ✗ |
Here is what actually happened. In week 1 I trained hard 4 times and ate big, so my muscles stocked up on glycogen, and every gram of glycogen binds roughly 3 g of water. The scale jumped 1.7 kg (3.7 lb) and I published why it was not fat. This week the process ran in reverse: 2 sessions and less food meant the glycogen and its water left, and the scale dropped 2.4 kg (5.3 lb). Same physiology, opposite direction, and the scale mislead me both times.
The numbers that measure actual tissue tell the honest story: fat mass at its lowest point of the series, skeletal muscle 0.6 kg (1.3 lb) above where I started, lean mass still up despite giving back some of week 1’s water. A bad week cost me almost nothing measurable. That is not a license to have more of them. It is proof that one bad week inside a good system is noise, and that the shame spiral I went to bed with last night was arguing with data it had never seen.
What cutting after 40 changes (and what it does not)
What changes when cutting after 40 is not the arithmetic, it is the margin for error. A calorie deficit works at any age. But past 40, recovery is slower, muscle is harder to rebuild once lost, and an aggressive deficit quietly spends muscle alongside fat. That is why my deficit is a moderate 300-400 kcal below maintenance, not the crash-diet math I dismantled in why crash diets destroy muscle in men over 40.
What does not change: protein leads. Mine is pinned at 150 g per day, about 1.8 g per kg of bodyweight, exactly the logic from my protein guide for men over 40. In a deficit, protein is what stands between losing fat and losing the muscle I spent 2 weeks refilling. The research on lean-mass retention during fat loss is unambiguous on this pairing: moderate deficit, high protein, heavy training.
My complete 10-week cutting plan
Starting tomorrow, every meal gets tracked in MyFitnessPal, and the training week looks like this:
| Component | Prescription | Why |
|---|---|---|
| Lifting | 4 sessions/week, upper/lower split | Heavy enough to tell the body the muscle is still needed |
| Cardio | 2 Zone 2 sessions, 30-40 min | Aimed at the waist and the resting heart rate |
| Deficit | 300-400 kcal below maintenance | Slow enough to keep the muscle |
| Protein | 150 g/day, 3-4 meals | The muscle insurance policy |
| Deloads | Weeks 4 and 8, volume reduced | Recovery is the limiting factor in a deficit at 47 |
| Accountability | Every Sunday, public | You are reading the accountability |
The scoreboard for the 10 weeks stays what it has been since day one: waist under 94 cm (37 in) first, bodyweight drifting toward 80-81 kg (176-179 lb) while every muscle measurement holds, and sessions actually completed, because week 2 just demonstrated which of those I can least afford to skip. Cutting after 40 is not a sprint you gut out. It is 10 weeks of boring, repeated, protected decisions.
The tape redeemed itself
Two weeks ago I published a chest measurement of 106.6 cm (42.0 in) and called it a tape-placement error in the same paragraph, because chests do not shrink 4.5 cm (1.8 in) in a week. This morning the tape read 109.8 cm (43.2 in), right back near the 111.1 cm (43.7 in) baseline. The error corrected itself exactly the way honest measurement noise does, and the flagged number got to stay published instead of quietly disappearing. That is the entire trust model of the comeback log working as designed.
Meanwhile the numbers that matter kept moving the right way: waist at the navel 95.9 cm (37.8 in), the first genuine movement toward the 94 cm target, and a waist-to-hip ratio of 0.94, down from 0.98 at baseline. The mid-section is where cutting after 40 gets judged, and the mid-section is finally negotiating.
Frequently asked questions
Why did I lose weight in a bad week?
Water, in reverse. A hard-training, well-fed week stores glycogen, and glycogen binds roughly 3 g of water per gram. Train less and eat less, and that stored water leaves within days. The 2.4 kg (5.3 lb) drop was mostly week 1’s water leaving, plus a small, real fat loss underneath it.
How big should a calorie deficit be when cutting after 40?
300-500 kcal below maintenance is the evidence-backed sweet spot for men over 40 who lift; I run 300-400. Larger deficits lose weight faster on paper but spend muscle in practice, and muscle is the one asset a 47-year-old cannot cheaply buy back.
Can you keep muscle while cutting after 40?
Yes, if 3 conditions hold: the deficit stays moderate, protein stays high (1.6-2.2 g/kg daily), and resistance training stays heavy enough to signal that the muscle is still needed. Miss any of the 3 and the body economizes on exactly the tissue you want to keep.
Final thoughts
Last night I called this week proof of my lack of coherence. The data called it 400 g of fat lost, muscle held above baseline, and a waistline finally in retreat, during the worst week I have had since restarting. I keep both verdicts side by side here because that gap, between the story in your head at midnight and the numbers on the screen at 08:55, is the entire reason this series exists.
Tomorrow the free-fuel phase ends and the real work starts: 10 weeks, tracked, public. Next Sunday has the first week of cut data. Follow the whole thing on the comeback log.
References
- Helms, E. R., Aragon, A. A., & Fitschen, P. J. (2014). Evidence-based recommendations for natural bodybuilding contest preparation: nutrition and supplementation. Journal of the International Society of Sports Nutrition, 11, 20.
- Fernández-Elías, V. E., et al. (2015). Relationship between muscle water and glycogen recovery after prolonged exercise in the heat in humans. European Journal of Applied Physiology, 115(9), 1919-1926.
- Murphy, C., & Koehler, K. (2022). Energy deficiency impairs resistance training gains in lean mass but not strength: a meta-analysis. Scandinavian Journal of Medicine & Science in Sports, 32(1), 125-137.
Follow the cut, weekly
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