Unlike a narcissist, people with Asperger syndrome are unable to recognize and mimic non-verbal communication and others emotions. They wouldn't be able to "turn on the charm" like a narcissist would. And they are noted as poor liars. Narcissists, on the other hand, will say anything to get what they want, which is usually your attention. If she is a narcissist, I'd stay away from her. They don't make for very good friends to begin with.