EDIT: Oops, I should have read the OP more closely. To me self-revalation is revealing internal things you haven't discovered or hid to yourself. Sort of like internally admitting you're gay when you have identified as straight for many years. I am immensely comfortable with that sort of thing. With respect to revealing things to others? I am also very comfortable with it. I'm actually rather bad at keeping those things to myself, because they'll eat at me until I spit them out. I'm pretty rediculously candid. Always have been. So ultimately my post stands.
I'm a 1w2, and in contrast with @
EJCC I am immensely comfortable with self-revalation, but I think in my case it has to do with two reasons. 1. Being an ENFJ, and 2. Being raised by an INFJ 9w8 mother who practically BATHES in self-revalation (to the point of ludicrousy and error).
From an early age as far back as I can remember, I was trained to reflect, be thoughtful, and consider the larger big picture in life, and what makes me tick. Most importantly, uncover what is hidden within the self. A lot of this was innate mind you, but my mother cultivated it a lot. I saw her as the paragon of good and light and wanted to be like her (though not consciously), and she was constantly having self-revalations about who she is, what she wants, and what's happening around her. She had some major life turning ones while I was growing up as well, and would often give me the details. How to mirror that mental task felt pretty natural to me, and I suspect even if I were raised more heavily by my ESTJ 1w2 father (who did not like nor respect my mother propencity to self-revalate. They also divorced when I was 3), I still would have done it. I honestly think a lot of it is genetic. There is a line on my mother side (the Hardester line) where nearly everyone is a "thinker and reflector" often to personal detriment/pathology.
I also had self-motivation to do it as well when I was young. If I learned something new, what was my response? Tell the world! I'm very extroverted, and have always been extremely talkative, so new tidbits needed to be told to someone. This included self-revelations. I enjoyed sharing them because these were things never known, and I found something fascinating in figuring stuff about myself, and having realized things about myself and things around me that I never considered before. It made me feel smart (partly because I learned that this was an uncommon skill or people feared it), and could potentially lead to interesting discussions or help others. As such I have really no issues with sharing them with others. In fact, I am actively compelled to share them. It helps me process and understand them. More often than not I have to tell myself
not to share them.
To date, the only self-revalation I have ever had that was truly jarring was having the self-revalation that I actually
didn't believe my former spiritual beliefs, and that I had to become atheist. Those things were a large portion of my foundation, and realizing that my thinking was in direct opposition to those beliefs and values was painful. Though the most painful aspect were the real world implications. Outside of that though, I've sort of learned that self-revalations can't do harm by themselves, and often things can be done to help integrate them with ease. I also find great utility in it towards understanding myself, and improving who I am. If pain comes with it, it's pain I am willing to deal with.