I can relate to this as I have been doing it for decades. Now with fat-adapted body I can fast up to 10 days 4 times a year and only eating one meal a day which is optimal for me. I wrote hundreds of stories about the value of ketosis for metabolic and mental health. Here is a personal story that might inspire you:

https://medium.com/sensible-biohacking-transhumanism/my-unusual-celebration-of-new-years-4646ccd78836

Congratulations on your start. The keto flue and keto smell is a temporary. You will quickly get used to it.