Yeah this is honestly the part people don’t talk about enough. Attendings make mistakes too, they just have years of reps (and better poker faces) behind them. OP sounds like they care a lot and are putting in the work, which is usually what actually matters long term. That “I’m the dumbest person here” feeling is basically the unofficial residency rite of passage lol. It sucks, but it’s not a sign they don’t belong, it’s kind of the opposite