Hi Lucy,
1 gm fat = 9 cals , do 100 gm fat = 900 cals . a persons average daily requirement is around 1500 cals . if you take 100 gms fat , half of your allowance comes from fat , which is not healthy, besides youll have a lot of health hazards of taking so much of fat. cholesterol levels would go up. so y risk .. even if you work out and spend the intaken calories , you would not be ab;le to undo its harmful effect on health. an you would alsp deprieve your body of essential nutrients . hence taking minimum amount of fat is advisable