A narcissist paints a picture of themselves as being the victim or innocent in all aspects. They will be offended by the truth. But what is done in the dark will come to light. Time has a way of showing people true colors.
Many people mix opinion with fact. Unless you search for the facts, you're just repeating another person's opinion - and most likely stretching the truth (like a secret and passing it on). And, perception is not always reality. Get the facts yourself!