A 3-question filter for your bad ideas. How smart people fool themselves every day.

Your sharpest ideas can still fool you into doing the wrong thing. Today we unpack why smart, driven people overtrust their thoughts, and how a simple 3-question filter turns hunches into high-quality decisions. Instead of chasing certainty, we practice decision hygiene: use evidence, test small, and weigh real outcomes before you go all in. We start with the cognitive traps that quietly steer choices: availability bias makes vivid stories feel true, while the halo ef...