Good, Fast and Cheap. 

You can have any two, but never all three.  As a designer, I got to understand the intricacies of the designer's holy triangle and I never got to go beyond it professionally.

But that's not the point.  Upon further discussion, delving deeper into our personal lives, my previous colleague and office friend, Denise, realize that it's just Good/Fast/Cheap.

As much as we care to ignore it, the same paradigm can also be applied to relationship, or non-relationship. 

Let's change Good/Fast/Cheap to the following:

Intellectual/Hot/Likes You.

Remember that.

So given the following data, somebody can like you and be smart, but most likely not Hot, somebody can like you and be hot, but not smart.  Likewise, and sadly, somebody can be smart and hot but just does not like you.

In the same way, somebody can be smart but is not hot and does not like you, et al.