You might be missing one thing or several things. This question may have a multitude of answers.

You must be very analytic about your reasons and you need to set your priorities straight. Without that there is no way you can achieve your weight loss goal. The second option could be information. In a world filled with temptation, many men and women are trying to lose weight but just can't seem to find a way to conquer that challenge.

In that isiahi you first need to find out how to speed it up, and only then can the diet and exercise work at their maximum potential. If you're one of them and you're already on a diet but it doesn't seem to get you anywhere, a question must be asked. Also you could be doing one thing when you need to do the other or even both.. That question is "what are you missing from achieving your weight loss goal?".

Your metabolism might be a bit too slow. The first answer could be determination.

You might not know enough about the diet you're on, the exercises you're doing, or even about your own body and what it needs to lose the extra weight faster.