2. It's all about me. "Since I know more, I am smarter and I am always right, I do most of the talking and that talking is mostly about me. That's why I take up most of the air time in conversations." Narcissistic people are sometimes, and even often, generous. The difficulty comes when what they want is contrary to what you want. Then, it's all about them ... their wants, their needs, not yours.
3. Rules are for others; they don't apply to me. "I can have affairs, cut into a line where others are waiting, cheat on my taxes and ignore rules that get in the way of my doing what I want." Narcissists suffer from what I call Tall Man Syndrome. They experience themselves as special, as above others, so rules don't apply to them.
4. Don't tell me your concerns. "I'm likely to get mad if you insist on having me listen to your concerns. Your concerns sound like criticism to me so I'll want to hurt you back." Narcissists think everything is about them, so if you try to say something about a feeling like sadness or anxiety that you have been experiencing, they are likely to hear it as a criticisms of themselves.
If they don't take your feelings personally, they still are unlikely to respond with much sympathy or helpfulness. They are more likely to react with irritation than compassion because the focus is supposed to be on them, not on others.
5. When we have upsets, it's always your fault. "I can't be expected to apologize or to admit blame. I'm above others and above reproach." Unwillingness to take responsibility for mistakes goes hand in hand with quickness to blame. Stay clear of blamers or ignore them. Otherwise they can be very demoralizing. Also, be realistic about their capacity for change: they are often unlikely to make bad habits better because they don't learn from their mistakes.