open 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 someone or something

 
1. Fig. to tell all of one's private thoughts to someone. I didn't mean to open my heart to you. She opened her heart to the wrong magazine, and it published a scandalous story.
2. Fig. to become loving and solicitous toward someone; to donate money generously to someone or some cause. We opened our hearts to Fred, who was soliciting for a good cause. We hope you will all open your hearts to our plea.
See also: heart, open
References in classic literature ?
He had come with a boy's glad and open heart to offer his friendship to these people who were human beings like himself.