Jim KatsoulisJim AI — Your Personal Guide to Living at Your Goal Weight

don't make this weight loss mistake in 2026

1 Jan 2026 · 1 min

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Jim Katsoulis advises against attempting drastic, immediate weight-loss changes (e.g., trying to "eat perfectly" from day one). He notes people overestimate short-term monthly loss and underestimate what is possible over a year, and recommends gradual, sustainable steps such as earlier sleep, improved hydration, and incremental food-choice improvements, framing weight loss as a marathon rather than a sprint.

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People overestimate how much weight they can lose in a month and underestimate how much weight they can lose in a year. If you want to lose weight this year, a better strategy instead of trying to do it all at once, starting January 1st, maybe to start off a little bit slower. And so instead of trying to eat perfectly starting January 1st, what you do is you start going to sleep a little bit earlier, start hydrating yourself, and start making some better food choices, knowing that a couple weeks from now, you're going to have more energy to make even better food choices. But it doesn't have to happen all at once. Start looking at this as a marathon instead of a sprint.