How large should a calorie deficit be?
A moderate deficit is usually the best starting point because it gives you room to stay consistent. If hunger, training, sleep, and adherence all collapse, the deficit is probably too aggressive even if the calculator says it should work.
Why did my fat loss slow down after a few weeks?
Usually because several things moved at once: a lighter body burns less energy, tracking drift increases, and adaptive changes in expenditure can reduce the original gap. The first deficit estimate is rarely the final one.
Should I eat back exercise calories?
Not automatically. Exercise burn estimates are noisy, and many people already overestimate activity. If you want to add calories back, do it cautiously and judge the result by the multi-week trend rather than the watch number alone.
Can a calorie deficit work without tracking every calorie?
Yes, sometimes. But the plan still needs some way to stay honest, whether that is calorie counting, repeated meals, portion control, body-weight trend review, or another form of self-monitoring.
Do I need to count calories forever?
No. Many people count closely for a while, learn the portion sizes that matter, and then move to lighter monitoring. The goal is not permanent obsession. The goal is a level of awareness that keeps your intake from drifting without you noticing.