Помогите, плз, перевести " tic of thinking"

[1979Alena]

Помогите, плз, перевести " tic of thinking"
спасибо

Предложение
According to one of his confidants, the general has developed the usual dictator's tic of thinking himself indispensable.

Контекст:
But how would Pakistan fare under such an arrangement? It would at least be better than if General Musharraf grabbed power, as he might. According to one of his confidants, the general has developed the usual dictator's tic of thinking himself indispensable. An alliance of convenience between him and Ms Bhutto might also be preferable to restoring the democracy Pakistanis enjoyed in the 1990s, when Ms Bhutto and Mr Sharif conspired against each other and the army conspired against them both. After a decade of the instability and misrule that resulted, many Pakistanis welcomed General Musharraf's coup.

ссылка
http://www.iri.org/newsarchive/2007/2007-05-17-News-Economist-Pakistan.asp

[_03]

Вариант: впал в маразм от мысли о своей незаменимости

[Divina]

По словам одного из его доверенных лиц, генерал утвердился в мысли, обычно возникающей у диктаторов, считая себя незаменимым.
... вообразил себя незаменимым, что обычно случается с диктаторами..