Friendship strained by insults to child

DEAR HARRIETTE: I had a falling out with a friend recently, and I’m not sure if I want to continue the relationship at all. She is probably a certifiable narcissist. Everything revolves around her. She needs to be the center of attention – always. She revels in making quips about everyone and everything, and her comments are often biting.

I know this about her, but she crossed the line when she sta…