The makeup artist shook her head slowly, always the sign of a power trip going on.
Her latest is The power trip, and she has sold well over 500 million copies of her books.
And in my experience of writing about campaigns, that power trip does exaggerate their narcissism.
A show of personal power, esp of a blatant sort: the classic Latin American dictator's power trip
[mid-1960s+; based on the narcotics sense of trip]