person A: My brother went on a low-calorie diet and began shaking everyday.
person B: Poor thing!  Is he felling better now?  I hope he quit that diet.
person A: He quit the diet a while ago as recommended by his doctor. I was a little scared but I knew it was just side effects of a bad diet.
person B: Thank god he is ok.  There are very dangerous diets around_comma_ better be guided by his doctor.