Before retirement, we would playfully tease each other that when we retired, we’d turn our spare bedroom into a “fun fantasy adult room.” Fast forward — we now have our special room, and we’re having a blast. After telling them that you are unable to accommodate them, explain that because you have turned the spare bedroom into an “entertainment center,” it is no longer set up for guests, but you’d love to see them while they’re in town and take them out for dinner.