I do want to clarify this part of the conversation a little bit more with additional thought.
I'm probably going to confine further discussions of this aspect I've noticed with Fi to those who I feel can maturely discuss such things without going off the rail. I felt like your replies were honest and measured and there was a good vibe going on and I did get some understanding that I didn't have before.
But about the bolded stuff above, I feel like I should explain a bit better what I meant. Once again, this is just me.
I tend to have a focus on preventative measures rather than actual problem solving. I'm pretty vigilant towards sniffing out potential pitfalls and educating/warning people about it rather than fixing it. Increasing my problem solving skills is something I'm working on though. I notice people don't particularly like to hear things that are ominous in nature; it's often construed as negative and paranoid rather than something that could potentially happen that should be taken into consideration. So I've learned to keep those kind of thoughts and declarations to myself. I'm not an EP so I don't completely rely on extemporaneous responses, but if I think of quite a number of possible outcomes I still feel mostly prepared. I think some of this is that you're an EP () and I'm an EJ, I'm still by nature more cautious than you are and hence my hesitations.
About intense emotion: I'm told I vibrate at a rather high frequency and I don't consider myself a particularly mellow person. I'm pretty whooshy and forceful and that has it's pros and cons. I'm not adverse to intense emotion, but I am sensitive to certain types of intensity. If someone has a dark cloud of despair hovering around them I don't go towards that. Well let me be more specific, I make distinctions between the clouds. If you have two dark and threatening looking clouds I try to figure out which one is a summer rain and which one is going to produce a destructive tornado. I don't move towards the one I think is going to kick out a tornado. I'm not a storm-chaser and I am perfectly content to let it do it's thing while I take shelter. Storm-chasers are important they give us insight about the inner workings of a dangerous phenomenon and increase our knowledge. But I still think they do a dangerous thing and need to respect the unpredictable nature of powerful negative emotion and how destructive it can be. So I think the "not feel anything at all part" isn't entirely accurate. I don't want to be disconnected either, but I take great care with the nature of the connection so as not to get a power surge and overload my personal circuits.
So yeah, I agree with Fe being a surge protector and Fi steps in when the surge happens, but both need some electricity to function. Both are rather pointless without an energy feed.
I understand some people are attracted to that and want to investigate it. I don't advocate people being in denial about their emotions, that's something I'm not for because it tends to create more problems and a bigger mess to clean up. At the same time, I feel no need deep sea dive into every emotion I have or those emotions of others. I was kind of wondering about this in connection to emotional resiliency and do you need to know every detail of your (negative) emotions in order to find worth or wisdom without going that deep into it? I think I've said this before but not everyone who wants to dive that deep or soar that high can do it even if they think they can. I find that there's got to be emotional hardiness and fitness necessary (and you mentioned learning how to "wield Fi" which is some of what I'm getting at). Strong and resilient people can be found in any type, so I'm not sure if having Fi predisposes you to that emotional hardiness or not. I don't know if any cognitive function would be more capable of thriving in adverse conditions than another...each would have it's particular strengths and weaknesses. I know with me personally, I don't go there if I don't have to, but if I have to I will. I like watching scary movies but I wouldn't want to live in a nightmare or a war zone just for the emotional highs it brings. Overdose is quite possible.