Victor, your diet depends on many personal factors. While a few general guidelines (such as eating raw/non-proccessed food) can be gleaned from Scott's or another's diet, you must invest the time into finding your own. This depends on your level of personal activity, where your family is from ancestraly (for example, mine spent thousands of years in the middle east and I can eat pita bread with fewer conseuqences than european bread), the way your body is designed (tolerances of all the different acitivites during digestion) and so forth. I'm going to give you some suggestions for a beginner diet but you have to explore in your own way.
First, cut out refined sugar and cafine. Then cut out all refined grain. Eat lots of fruits, vegetables, legumes, and meat, fish, eggs. If you want to add milk, be careful, not all people are designed to proccess it fully, chesse or yogurt may be better. For the first 2-3 weeks only drink water. This should reset your digestive system and the various other functions it works with. From there you can experiment with how much and what to eat.