Dreamer777 * Thanks so much for all your help on this, I really couldn't have done this without your perspective. You must be relieved too, because I'm so hard to type.
Anyway, yes, what you said about a Fe-user sometimes using Fi is true. We can't just rely on one function, it wouldn't make us all rounded and healthy. And yes, Si as my dominant function may have contributed to me sticking strongly to my beliefs.