- Blue Flames: The absence of love scenes, or the absence of love scene details.
- Blue Flames: Love scenes are not graphic.
- Blue Flames: Sensual and grammatically explicit love scenes. Graphic language.
- Blue Flames: Lots of explicit love scenes. You will definitely know what they are doing.
- Blue Fames: Same as four flames but with a few things readers may have a tough time with. Very graphic.