"some things are better left unsaid!" really?!

i was arguing with someone and she suddenly brought this quote up as if she was giving me a discourse and as if she was pointing to something that i did that was so wrong for her... she said "some things are better left unsaid..." i thought in that moment that she was right, i agreed and thought that there will be nothing that'll be more precise than that; but after some time of thinking and figuring things out, it occured to me that i only just said that something because i know it was right and i know it was just something beautiful to say. that's why i rephrased what my friend believed and said to myself "bad things were the ones that must be left unsaid, and good things are much, much way better when they are said..."... what i said was a good thing... it's not that i know what's good or what is bad... but i know it is because it is about LOVE!