How many systems do you have?

Currently two systems, with enough additional components to assemble at least two more. Some horde TP, I horde audio. Okay, I'm seeking help... 

Two or four depending on how you want to count them. The main system includes two integrated amp/speaker pairs for streaming to other rooms. Then another analog only system in the guest apartment.

Five systems all but one is tube based. Oops, six...

main. bedroom, downstairs living area, workshop, bluetooth front veranda

One.

If I had several systems, I would still just be listening to only one of them only, the better of them.

I work for a living, so I don’t have too much time for listening. I try to make time most weeknights, and weekends, and when I do, I would most certainly only be listening to my best system if I had several