But friend, I do indeed reveal my true self, and this is in fact the second time that you have claimed within a thread of mine that an ENFP would not do so. Judging by your many posts, I would guess you've said this more than twice. I pity your experiences with ENFP's, but even more than that, I pity the ENFP's who you know, reluctant to reveal themselves. As an ENFP, I should say that I would feel withered and alone if I did not feel I was understood and known for who I am.
And on that note, being unable or unwilling to reveal your true self is a poor, undesirable quality. If you notice that you are ascribing such a negative characteristic to an entire type, rethink, rethink, rethink.