The "sparks joy" part gets the most attention, but if you read her actual writing her advice is keeping things that are useful OR "sparks joy". That is, she's j

The "sparks joy" part gets the most attention, but if you read her actual writing her advice is keeping things that are useful OR "sparks joy". That is, she's just saying to really think about your stuff and consider whether it's actually either useful to you or something you like. If it's neither, then consider whether you really need it.