Rebuke from a friend is actually a form of love. Though painful at the moment, rebuke is profitable in the long run. When rebuke comes from a friend, you can trust the source. You know the person has your best interests in mind. Accepting rebuke is one thing, giving rebuke another. Both are needed to make friendship thrive.

Folly delights a man who lacks judgment, but a man of understanding keeps a straight course. Plans fail for lack of counsel, but with many advisers they succeed. … Proverbs 15:21-22

He who listens to a life-giving rebuke will be at home among the wise. He who ignores discipline despises himself, but whoever heeds correction gains understanding. The fear of the lord teaches a man wisdom, and humility comes before honor, … Proverbs 15:31-33

Better is open rebuke than hidden love. Wounds from a friend can be trusted, but an enemy multiplies kisses. … Proverbs 27:5-6

Perfume and incense bring joy to the heart, and the pleasantness of one's friend springs from ...