Even though I’m not type 2 I can definitely relate to your issue! When my bs is high god I’m a cranky git , my patience is on the floor, conversely when my bs is low I get anxious about nothing I get short tempered and tend to day dream , so my own conclusion is blood sugar levels both high and low definitely affect my mood, my mate use to say what’s the difference between you with high blood sugar and a terrorist , “you can reason with a terrorist “