I'd put myself at a 2. I have a modest system that I enjoy, but my passion is astronomy. This week I'm camping at a dark sky park for a full week hoping for a clear night. So far three nights not worth getting either telescope running. I'm not sure there is an equivalent. I have a very small system in my RV, not even HiFi, but there are expectations of quite here so anything I play needs to stay in the camper.
When home I listen about 5 hours a week, mostly to vinyl while working. Serious listening is waiting for my retirement years. Not too much longer...