Meaning of self-revealing

self-re•veal•ing

Pronunciation: (self'ri-vē'ling, self"-), [key]
— adj.
  1. displaying, exhibiting, or disclosing one's most private feelings, thoughts, etc.: an embarrassingly self-revealing autobiography.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.