We are not talking simply calories in V calories out - that's simple - that doesn't take any thought - I did this when I was 14 and dropped 40kgs+ by myself.
We are talking optimal results when DIETING not just eating everyday while training to maintain, bulk etc
What will give you optimal results when dieting - what is it cals in V cals out, steak and veggies....your saying one thing and then saying another....
Yes IIFYM is fantastic for "off season", bulking, maintaining - everyone does this - its simply got a label to it now....
What is optimal for a bodybuilders, athlete when dieting to get in the best condition possible?