Having a small fridge
Big fridges lead to food waste. Small fridges let you see everything you have, which helps you use up what you have before a fourth partially obscured, partially used mustard/aioli/pasta sauce dies unceremoniously on the top shelf.
Sixteen Military Wives by The Decemberists
I never got into the Decemberists, but every few years I remember this song exists and listen to it on loop for a day. Impossible to stay in a bad mood.
Corsets
They make you feel cool and, if nothing else, serve as a small tool of fashion bravery. Everyone should dress weirder. It helps keep the soul stretchy.
Chocolate mousse
Disclaimer: I can get six cups of pretty good chocolate mousse at my local grocery wholesaler for…get this shit…€1.48. It’s crazy. I have it for breakfast with berries. Belgium-specific rec.