I identify strongly with this. I’m overall functional, even reasonably successful, in work. But in work and even more strongly in personal matters, I can shrink away from unpleasant items well past the point of it being reasonable.
I’ve literally wasted dozens of hours avoiding a task that ends up taking 15 minutes. Could be a phone call, dealing with some minor tax or DMV issue, writing a simple but important email, or whatever. Often paperwork or tedious phone call related, but it’s clearly not productive behavior.
Depression is the greatest enemy of doing anything, feeling bad is basically always a net negative on productivity