Oof, this video makes me think I may have ADHD. I just cannot get boring things done, and I get more stressed the more I procrastinate, and it just spirals.
What has helped me is something that the video mentions too, and that's working with a coworker. Not so much pairing (as in, looking at each other's screen), but just saying "I'm working on X now" and feeling like someone else is working on their thing alongside you/simultaneously. That has produced great results for me.