open one's heart to

open (one's) heart (to someone)

To share one's deepest or most intimate emotions, thoughts, or secrets. Samantha finally opened her heart to me last night about how grief-stricken she's been since her father passed away. My father was a cold man, and he never opened his heart to anyone.See also: heart, open

open one's heart to

Confide in, reveal one's thoughts and feelings to, as in Last night Meg opened her heart to her sister concerning her marriage. This expression uses heart in the sense of "the seat of thought and emotion," a usage dating from the 9th century. See also: heart, open