I say "quasi-flashback" because situations like that have happened so many times in my life. They're still happening.
I can't get myself to do an assignment, and then become so depressed that I avoid being present when it's due. It almost physically hurts to have to admit my own inadequacy like that, and I can't bear it. I simply don't show up because my own shame is too great.
I hate this feeling more than anything.