Right. A basic idea. Introverted Feeling is usually seen as the function that deals with core values and such. Now from a non-evolutionary perspective there is no real meaning or reason to live and engage in such thought processes. Since introverted feeling deals with subjective values, it'd be possible to give meaning to actions and thus motivating someone to engage in such acts.

1. All functions don't actually serve Fi, just something biological instinct that resembles my idea of unconscious Fi in operation.

2. Perceiving based functions: Do these just operate without any reasoning? The brain automatically perceives even if a person did not want to... err but does this even work for Ne's ability to make connections etc.

Why does the brain make connections?
What purpose does it serve? Is it automatic?

3. Might it also apply to the Je/Ji based functions?

4. I forgot...