Is it normal to be so terribly tired from the keto diet?

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Some background information here. I had to start Keto again after a gynecologist told me in early April I had PCOS and a large fibroid that was causing a stabbing pain. I was at my heaviest weight (190 - 5'7) that I have ever been in years and we both concluded that losing weight would be a good idea. I was not eating that terrible before and I did develop severe diverticulitis last year so I was already being careful but maybe not enough. So I started the ketogenic diet again (I have done it before in 2015 but quit). I have already lost 8 pounds in two weeks but I have never felt more tired and miserable before. In 2015 when I was on it I was fairly grumpy and I remember it being somewhat unpleasant but not like this.

Today for example, I had a hard boiled egg in the morning and then some grilled peppers for lunch. Then for dinner I had chicken, salad and protein pasta with pesto yet I still feel like I have eaten nothing. I have such a miserable feeling inside me that I haven't had in years. I want to quit it but I know I can't. The pain and suffering I had from the PCOS, Diverticulitis disease and the fibroid are enough to scare me to death from running over to the store right now for a large bag of Doritos and ruffles onion dip (if only).

Can anyone tell me what I'm doing wrong?

Be sure to keep your electrolytes in check, lack of electrolytes makes you feel fatigued and dizzy.

Drink some bone broth, pickle juice or just supplement at least magnesium, sodium and potassium.

Double check for hidden sources of carbs in your food. Some people don't really pay attention to things like ketchup, which might contain tons of corn starch and sugar.

When you are low-carb, but not low enough to be in ketosis, your body will switch to energy-saving starvation mode, it will make you fatigued and sleepy.

Be sure you are not overeating protein.

If you are not tracking your food, I would start tracking what you eat using apps like MyFitnessPal for at least two weeks to get the idea of actual macros in your food. When I was eyeballing my macros I was SO WRONG so many times. After tracking really strictly for a while you can switch to eyeballing again.

I would read FAQ and some articles from sidebar of /r/keto on reddit if you didn't yet.

And to answer your question, it is kind of normal to feel weak for a week or two.

But in general it is not normal, on properly executed keto diet you supposed to have more energy as your body constantly burns body fat and should never experience energy deficit.

First of all, you don't need to be doing keto.

Second of all, you're not doing keto at all. The ketogenic diet is a high fat diet. Atleast 65 - 70 % of your daily calories should come from fat, 25 - 30 % protein and less than 5 % carb.