Every so often, I go through my list of favorite games/movies and remove any that I haven't gone back to, or unfollow creators that aren't active on Newgrounds anymore. There is always new stuff coming to the site. And if I just added everything that I kinda liked to my favorites, that kinda cheapens the feature. To me, a favorite should be something that you can regularly come back to and enjoy, or a creator where you enjoy almost everything they create.