Chofetz Chaim Daily 16 Teves 8:4 Rechilus is asur even if the comment ploni made wasnt so bad, ex. When Sarah said, and my husband is old, Hashem didnt repeat that part to Avraham. 8:5 if someone tells you a secret, you may not repeat it, it can damage him and isnt derech tznius.
Chofetz Chaim Daily 15 Teves 8:1 Asur to say Avak rechilus – negative implication (e.g. to tell R how ploni said lets not talk about what R did). 2) Praise that will cause hard feelings is also avak rechilus (e.g. to praise one before his spouse or partner about their charity giving; it will make the other think they’re wasting
Chofetz Chaim Daily 14 Teves 7:5 Asur to believe rechilus regardless of who is telling it to you, even one’s spouse. The Chofetz Chaim gives some advice; showing your willingness to listen will bring many more such stories, and with them, much heartache.