The vulnerable narcissist can be difficult to detect. Like a covert narcissist or one who hides his or her tendencies behind a façade of good behavior while undermining others, the vulnerable narcissist has his or her own façade. As the name suggests, the vulnerable narcissist hides behind a façade of weakness. The other two types are easier to detect. After all, a grandiose narcissist is always tooting his own horn and a malignant one has a mean streak a mile wide. My first run-in with a vulnerable narcissist was actually a literary one. C.S. Lewis describes one in his book, The Screwtape Letters, very effectively as the mother of the…