3 Design Mistakes I'll Never Make Again (and Hopefully You Won't, Either)

This is the living room of my most recent home, at the point where I started to get things right. Sort of. I was an architect in a former life, and as a result I probably care more than is emotionally healthy about how my home looks, and also, because I am used to being a Designer, I feel tremendous pressure to not mess anything up, design-wise, ever. But even though I know lots about color theory and I can provide a decent explanation of Brutalism and Mannerism and many other isms, I mess thing...