I don't think that D/s is something that can be taught. I think it's like art - you either have it or you don't. I know there is a difference of opinion about this. Some people feel that naturally dominant people can be taught to be submissive and vice-versa, but I think it's like being gay, straight, or bisexual. You can't "teach" someone those things.
You can teach TECHNIQUE, like safe ways to do bondage and discipline, but you can't teach what turns someone on or gets someone off, IMO.