This specific tension - the conflict between actual historical facts and popular instincts about those facts - has a name...
How do I get over the hump, roll up my sleeves, and get to work in the dog days of revision? Well, let me tell you.
What epic fantasy or sweeping space opera is complete without a shadowy figure looming threateningly over the universe?
Sometimes, we cannot get out of our own perspective.
Feedback is essential. I only have the one mind, one experience, one perspective. We all need supportive people to gently and constructively point out our opportunities to improve.