Our quick investigation in the rails console

rails_console_output.txt

Loading development environment (Rails 3.2.3)
1.9.3-p125 :001 > FactoryGirl.create :railsy_object
   (0.0ms)  begin transaction
  SQL (2.8ms)  INSERT INTO "railsy_objects" ("clean", "created_at", "simple", "updated_at") VALUES (?, ?, ?, ?)  [["clean", nil], ["created_at", Mon, 09 Apr 2012 11:39:38 UTC +00:00], ["simple", nil], ["updated_at", Mon, 09 Apr 2012 11:39:38 UTC +00:00]]
   (1.2ms)  commit transaction
 => #<RailsyObject id: 4, created_at: "2012-04-09 11:39:38", updated_at: "2012-04-09 11:39:38", simple: nil, clean: nil> 
1.9.3-p125 :002 > ro = _
 => #<RailsyObject id: 4, created_at: "2012-04-09 11:39:38", updated_at: "2012-04-09 11:39:38", simple: nil, clean: nil> 
1.9.3-p125 :003 > ro.simple?
 => false 
1.9.3-p125 :004 > ro.clean?
 => false 
1.9.3-p125 :005 > ro.complicated?
 => false