You are smiling more when feeling cleanliness, which You can imbide ...
Is it daily maintenance, deep and overall cleaning? You can't see any problems with taking care of it. It became a kind of challenging game.
Is this one going to vanish after slight touch too? :)
We know that fealing of exhilaration in disbelief with an unmeant smile, saying: "...come and see that!"
P.S. There is not better reward than Your eyes wide open. Can You imagine the feeling while creating such a products? :)