I did that a while back... picked up one of those big muffins in the supermarket to see how many kilojoules etc. It was 3000kJ
Nearly dropped the thing on the floor! That's half a day's eating right there.
Anyway... I do the food diary thing. I'm addicted to my food diary. I'm going for 7000kJ at the most (been going well over that lately
), eating tonnes of protein, and barely any carbs. Trying not to overdo the caffeine or alcohol, and drinking around 3 litres of water. And, I excercise for at least an hour and a half a day, sometimes more (crazy person