def self.included(base) #:nodoc:
    base.class_eval do
      has_many :properties, :as => :propertizable, :dependent => :destroy
      alias :real_properties :properties

      def properties
        unless @properties_redefined
          (class << real_properties; self; end).instance_eval do
            def nesto
              puts "ispisujem"
            end
            def method_missing(method_called, *args, &block)
              puts "metoda fali!!!"
            end
          end
          @properties_redefined = true
        end
        real_properties
      end
    end
  end