He left the cockpit but became verbally abusive and was told he could not continue on the flight, authorities said.

NPR: New Charges For Man Accused Of Impersonating Pilot

While they may not be physically violent, narcissists can be exceedingly controlling and verbally and emotionally abusive spouses.

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But Ms Kehoe described Mr Philpott becoming physically and verbally abusive towards her and comparing her with his ex-wife, Pamela Lomax, when she did not have a baby girl.

BBC: The defendants in court on Tuesday 12 February