Cathy, I love your addiction. I am afraid I have it too. And DH aids me, constantly building things to store machines, or cabinets to accommodate a specific machine. Our dining room has also been transformed into a sewing room also with several machines, fabric (of course) and a Grace long arm frame.
My DGC are here and they are loving sewing on my machines and treadling on unthreaded machines when we adults are busy (with my permission).