have a heart-to-heart (talk)
To have an honest and open conversation, usually about a serious topic. Jim sat down with his son and had a heart-to-heart about the dangers of peer pressure and drug use.
have a heart-to-heart (talk)
Fig. to have a sincere and intimate talk. I had a heart-to-heart talk with my father before I went off to college. I have a problem, John. Let's sit down and have a heart-to-heart.