You were taken for granted by her, you became uninspiring as a source of adulation, admiration and attention. She needed new thrills and stimuli. The narcissist is notorious for his low threshold of resistance to boredom. Your requests for equipment constituted a reminder of this routine - deflating as routine always is. Narcissists will forever shift the blame, pass the buck, and engage in cognitive dissonance.
Narcissists are pathological liars.
Never offer her any intimacy. Do not make any comment which might directly or indirectly impinge on her self image, omnipotence, judgment, omniscience, diagnostic capabilities, professional record, or even omnipresence. You get the gist of it. Inc. All rights reserved.