I have a desire for using my room to do things that are fun and-or productive (thesis), but I also have a desire to keep it clean (antithesis). Usually these two interests can coexist, but eventually I have spent so much time on other things than cleaning that there is a conflict (unity and conflict of opposites). As dust accumulates on the floor, a threshold is reached where I deem it ripe for cleaning (transition from quantitative to qualitative change). Once I start cleaning, the cleanliness of the room negates its utility (negation of the negation), but upon finishing, it is again both clean and useful (synthesis). However, the synthesis is characterised by different qualities than the original thesis, for instance that I can't fucking remember where I put my stuff