Fe: Trust your feelings. Fe knows what it feels and why.
You know how I am. Fe says, "It is what it is" and my Ti comes around the corner and goes, "Prove it!"
I feel like my Ni works very well, but my Fe kind of hides in the background. I think that's what I learned in life though, not natural tendencies.
I have not even gigure out my Ni yet, it's still very confusing to me, much less I would know how to apply it with Fe...though I heard the 2 functions are sort of contradictory..not to mention my strong Ti gets on the way and voila! you get a huge mess that I don't even know how to explain.