bare (one's) soul
To share one's intimate thoughts or feelings with another person. I don't know Adam that well, so I was surprised that he bared his soul to me. There are very few people I would bare my soul to.
bare one's soul
Reveal one's most private thoughts and feelings. For example, Teenagers rarely bare their souls to their parents; they prefer their peers. This figurative use of the verb bare, which literally means "make bare" or "uncover," dates from a.d. 1000.