you dont diet
it is no coincidence that the word diet contains the word 'die'
what you do is create a solid nutrition plan
this nutrition plan should comprise of around 7 meals a day
it should be high protein, moderate carb and moderate fat
you should avoid saturated, or trans fats
you should avoid simple, sugary carbohydrates
you should eat as natural as possible
and you should exercise
exercise should be a mix of both cardio and weight training
weight training causes muscle growth, and muscle is metabolically active tissue
metabolically active tissue needs energy
this means you burn more calories even when not doing anything
cardio should be done 5 times a week / every day. to intensity
a good method is interval training. high intensity, to low intensity, to high intensity, etc.
this causes a debt, which means more calories will be burnt not only during the activity, but also after
weight training should be done 3-5 times a week