Look at If It Fits Your Macros, flexible dieting... get the my fitness pal app and it does the next part for you. Or use a simple calculation of you Gender, Age, Weight and Height find out what you need to keep the same weight. 20% deficit to lose weight, 20% surplus for making gains. Fasting is for people who know what they are doing!
Don't listen to the bro science and learn about the food you eat and your bodies reaction to it before jumping from extreme diets to the next extreme diet
