a sincere and open conversation
искренний и откровенный разговор (iskrenniy i otkrovenniy razgovor)
"We had a heart-to-heart about our future plans."
"Мы провели искренний разговор о наших планах на будущее." (My proveli iskrenniy razgovor o nashikh planakh na budushchee.)
to flatter or charm someone into doing something
to add more detail to something
to be in agreement or share similar thoughts or goals
to speak frankly or sincerely
to help someone out of kindness
A true friend is invaluable and precious.