I get that up to a point. I think that I really wanted to know London properly, I lived there, well, approaching twenty years and I was beginning to feel that I knew it well. And that made me conscious that if I went to Lima or whatever for a week I wouldn't "know" it at all in the same way. Now I feel that I'm starting to get to grips with Lisbon a bit.
But I definitely want to travel, being on the continent and having a car there is no excuse - but I will very much be aware of and accepting of the fact that there is a two-tier (or more) system of places that I "know" - London, Lisbon, maybe others from growing up - and those I've just visited as a tourist or (if I have a friends there) a small step up from that.