When is the best time to refinish? refinish an interior floor

refinish an interior floor
Answers:    place a drop of water on the floor contained by the most worn spots. If the water engage immediatly refinish, If it takes time you hold a slight finish left if puddles wipe it up and hang on to living. Also if you have so frequent scratches on the floor that it is an eye sore than perceive the scratches and rub them. If it seem to come out when you rub, then simply buff and recoat, if the scratches are open then you enjoy to refinish.
please add more details---done them adjectives...what type flooring, what stage r u at, etc......