Maple Syrup Diabetes Ok, My Cat Likes Doughnuts, Waffles, Pancakes And French Toast.??

Ok, my cat likes doughnuts, waffles, pancakes and french toast.?? - maple syrup diabetes

When you walk you see Dunkin 'Donuts in the table may be compelled to give her one. And he enjoys maple syrup on waffles.
I have heard that cats can not taste sweet. Can they? I have also heard that cats can get diabetes, so I think its not a good idea to give everything. Ideas?