How Do You Define Sex?

It's a tenent of most pop psychology and self-help advice that in order to move forward you have to know where you're starting from, and where you'd like to end up.

I see the wisdom in this advice, but I've never been sure how well it fits when the movement you're looking for is in the bedroom.

First off, I'm not sure that I like the importance placed on moving forward. How do we know that another direction might not be as fruitful a place to move toward? What's wrong with shuffling...