It certainly seems too simple to say what I am going to say, yet it is almost as if you would be better off turning the entire rational approach upside down, taking it for granted that all of its assumptions were false, for they are indeed more false than true.
SethIt takes a lot of guts to stop measuring things that are measurable, and even more guts to create things that don't measure well by conventional means.
SethIt's not enough to be aware of the domain you're working in, you need to understand it. Noticing things and being curious about how they work is the single most common trait I see in creative people. Once you can break the components down, you can put them back together into something brand new.
Seth