I've had for 12 years and know exactly what your on about.i felt this way for so long however I found a way to deal with it my own way and it gradually gets better.
1. I realised that my mood is definetly reflective of my blood sugars therefore If I feel depressed or angry I always do a blood...
When my blood sugar is high i get annoyed easily and when it is low i can get angry. My brother gets VERY angry when his is low... Diabetes affecta our moods and our moods can affect it...most people i know when they are stressed their blood sugar goes high