My friend, Susan, and I disagree on just about everything except home design — until now. Yes, I understand that an 8- by10-foot area rug would have worked better size-wise in my 10 by 13 living room.

“Your living room rug is too small,” she said. “No, it’s not,” I said. “Yes, it is.” “So what if it is. I’m not getting rid of it.” We fight like sisters, my friend Susan and I. We disagree on just ...