A blonde woman was terribly overweight, so her doctor put her on a diet and told her:

-- I want you to eat regularly for 2 days, then skip a day, and repeat this procedure for 2 weeks. The next time I see you, you'll have lost at least 5 pounds.

When the woman returned, she shocked the doctor by losing nearly 20 pounds.

-- Why, that's amazing! - the doctor said - Did you follow my instructions?

The woman nodded.

-- I'll tell you though, I thought I was going to drop dead that third day.

-- From hunger, you mean?

-- No, from skipping.