The thing that really amaze me is to see the site have no growth but still it seems a some people return, how is this possible? You have a site that manages to

The thing that really amaze me is to see the site have no growth but still it seems a some people return, how is this possible? You have a site that manages to have users visit again and also get some users from search engines, but at the end of the day you still have the same total of users as the day before? it is not logical! (It is a site about cars).