IMHO, this is one of the biggest cool factors actually. At no point in your life will food be more delicious than at the conclusion of a long fast. I will never forget the break meal after my first 5 day fast. It is cemented into my brain for eternity.
It was at the 5 Guys near my house. Bacon cheeseburger, order of cajun fries and a salted caramel shake. I swear to God I got a friggin head rush from the first bite of that burger. It was like a deliciousness orgasm. Even reflecting on it now brings a smile to my face. Food is amazing. It is a deeply ingrained part of our cultural and social experience, and fasting kicks things up a notch as far as appreciating it.
Note: And yes, I know, people tell you that you are bound to have all of these intestinal issues by eating a big meal after a fast, but I guess I just have a strong stomach because this has not been my experience.
In USA we have so much sugar in everything. After a long bout of ketosis I ate a plain old regular boring mcdonalds hamburger and I was blown away by how sweet the bun was. It tasted like a pastry or a cake. It was amazing!