Last week COCUSA put new floors in our Peoria office. We had gotten a great deal on some engineered hardwood and did the work ourselves to save even more. Luckily we had a friend in the office next door who had installed hardwood floors for his job as recently as a year ago. Thank you Rick Byrne!
As we got started we had him give our office a walk through. We listened to his advice and then he turned to go. As he was halfway out of our office he stopped and said "Let's take a look at that back closet door, I'm not sure it's going to close."
He was right, the old door didn't fit the height of the new floor. (We're working on that part).
More amazing was that Rick noticed that issue in his casual glancing around the office. And the fact that he left, but then returned, makes it most likely that he noticed it almost subconsciously.
He was such an expert in hardwood floors he could sense when something was off, even if he didn't spot it or call it out right away.
What are you an expert in? I think we all have things (or can have things) that we become so good at we just notice nuances and issues without even trying too. The best way to get there? The old adage "practice makes perfect" probably relates here as well.