A diabetic friend of yours is visiting. You are talking in your kitchen when he

Eat or drink something high in simple sugar such as juice or soda. Check glucose. If it's low-more sugar. Keep checking glucose until it is stable. Insulin is used to help sugar get into your muscles. When you don't have enough insulin the sugar can't get to your muscles and builds up like syrup in your blood. Think of insulin as a key to unlock the door to your muscles and it's letting sugar inside.

If that doesn't work they may need to be taken to the ED Whet they may get a dose of glucagon (insulin antidote).

Low blood glucose (hypoglycemia) starves the brain of glucose energy, which is essential for proper brain function.