And your pocketbook really hates you if you are into multiple like audio, photography, and watches.
Amen to that!
My watch "habit" dwarfs my entire "Head Fi" expenditure. I think my favorite, single, horological expenditure still dwarfs my entire "Head Fi" (if not "music") budget.
Between my Leica addiction, love of cars, the speaker rig, LP collection, diving/travel excursions, and my airborne exploits, I feel entirely lucky that "Head Fi" is my least expensive hobby!
One night on the Orient Express, done properly, runs about the same as a Chord DAVE in UK prices ... and no one does just ONE night there.