There are times when it is hard and it's just too much for you

Today feels like one of those days. As I sit here I just want to dissolve. To become an invisible person, that nobody can see or hear. I want to hide. I know my sugar has been high today. I have felt very sleepy and irritable, have discomfort in my legs and feet and I just want to cry. I am unable to focus and it bothers me. How long are my friends going to put up with me this way? I feel like I'm fussing at them a lot lately. They don't deserve it. My vision has been horrible. Sometimes I can't even read. I feel like a dysfunctional entity that needs to be sent back for repairs. Out of order.