[zdragnar]

That presupposes that any activity can be fun for any person[1]. I simply do not believe that to be true.

I might not be able to tell if your garage is clean because you find cleaning to be fun, but there's a fair bet the inverse will be apparent.

1: Perhaps I should rephrase this as every activity for any person. At some point, you'll need to do something you don't find fun, and can't be gamified.

[Apocryphon]

Every activity is fun relative to worse activities. So when confronted about something you don't find fun, you can perhaps frame it in a way to make it still preferable to something else. Perhaps through boredom:

https://www.youtube.com/watch?v=iow5V3Qlvwo