I like to call it an 'eating plan', dieting has such bad connotations attached to it and it really has to do with eating correctly.
You need to ask yourself, will it make me happier to be slimmer?
If the answer is yes, then you should start right away.
Before you go on any sort of 'diet', you need to cut away all fast foods, fizzy drinks, sugared drinks and white flour-based products.
White flour based products: all biscuits, cakes, white breads and rolls and eat only seeded breads and rye breads.
Go 'low-fat'. This means all your dairy products should be low-fat or fat-free. Milk, cottage cheese and do cut out all hard cheeses altogether, they are very fattening.
Eat lean protein: chicken breast, lean ham, pork fillet, beef fillet.
No lamb or fatty cuts of meat.
Limit your intake of carbohydrates in the evening, preferably none. This, in my opinion is the key to losing weight.
This does not mean however that you should splurge at lunchtime. So no huge bowls of pasta for supper.
Moderation - this is key to reaching your goal weight. If you fall off the wagon, do so, but in moderation and get right back on the very next meal.
It enables you to stay positive and not just give up if you have had a 'mistake'.
Enjoy yourself and don't starve - if you're hungry, eat something, just don't stuff your face.
Wait 20 minutes before you decide to eat again after a meal. It takes that long for food to register in your stomach and you feel full.
If you follow these simple rules for 1 month and you do not lose weight, I'll eat my apron. Good luck!