It doesn't matter what field you're in, how experienced you are, or how much control you like to exert over your life--everyone can stand to be a better decision maker. Making "better" decisions will get you closer to your goals, land you in more appropriate, comfortable situations, and ultimately lend you a more rewarding life.
Distancing yourself from a problem can help you face it in a more objective way.
Instead of remaining in your own frame of mind, consider yourself as an outside observer, such as a friend giving advice or a fly on the wall. Removing yourself in this way helps you filter out some of your cognitive biases and lean you toward a more rational decision.
It will be perfect. Because not only will the hall itself be a bad decision, but anyone who ever attempts to visit it will clearly be making a bad decision as well. Inside the hall, we will have exhibits for all of the worst decisions ever made.