Hello, Dr Pavlov.
Keto is this easy (Keto for beloved noobs)
This is for Phase One - the starter phase. It’s still not complicated later, but this is the really easy to explain version which will help you no end.
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Eat under 20g of carbs a day
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Don’t worry about the scale. All it tells you is weight, it tells you nothing about body composition, even the “smart” scales.
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Eat plenty of good food - fat and protein - while adhering to 20g/carbs/day. Don’t worry too much about macros and calories EXCEPT carbs. Keep them below 20g/day. (Prioritize the animal protein (i.e. not protein powder) - always start with protein in every meal, but don’t panic about it.) Your job is to get fat-adapted, so give your body the fuel you want it to use. Also, your appetite will vary - it’ll disappear, then it’ll come roaring back. Happens to most people, don’t sweat it.
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ELECTROLYTES/SALT - KEEP THEM UP
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Buy the meat you can afford - don’t stress about grass-fed, organic (con), etc… The worst meat is better than the best bread.
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Fasting is a tool. Nothing more, nothing less. Works for lots, not for others. Don’t let tools tell you to use it before you’re fat-adapted and it makes sense.
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This site has a search function (magnifying glass at the top of the page) and a newbies section - use them both, you’ll get a better variety of answers to your questions far more quickly that way. SERIOUSLY, THIS IS VERY USEFUL.[1]
That’s as difficult as it needs to be for a couple of months.
My good friend Terence (being friends with a Kiwi feels kinda dirty, but there you have it, keto makes for strange bedfellows) tells me this thing I have described above is called “dirty keto.” So yeah, do dirty keto, kids! 
Lots of Love, THE JUICE
[1]If you can’t find a useful answer after searching and reading for a while, we can help you a lot more if you tell us relevant data about yourself such as your reasons for doing keto, your weight/height/age/gender, a sample menu plan & any relevant health conditions.