I lost 50 pounds easily eating a keto diet for a year - basically cutting sugar and flour and only small portions of starchy veg.
The interesting part I discovered using the carb manager app that eating 400 calories of pasta would make me feel bloated and ready for a nap, but I could put away a 900 calorie breakfast of bacon and eggs that did not fill me uncomfortably and didn't knock me into a carb coma.
I was totally carb addicted for the longest time, and now at age 50 I feel great. I'm not "skinny" but I can tie my shoes without straining, I snore less, and when I do occasionally eat something with some carbs I find I can't put away potatoes or pasta like I used to. Several bites is enough and quickly becomes unappealing like my body recognizes I don't need it.
I'm less strict on keto now - I will occasionally splurge on an apple or an orange (which now taste like delicious candy since I don't regularly have sugar) or I will eat a mini-bag of popcorn which has about 20 net carbs in a day.
The other thing that made keto much easier is the recent wider availability of zero-carb bread and other products in the grocery store. That was a godsend because one of the logistical problems eating low carb is you can't just throw together a sandwich quickly and that kind of solved the quick meal problem.
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