пунктик

quirk, hang-up, fixation, little point, item

noun · masculine singular · nominative Rare #38,313
quirk, hang-up, fixation Often used for an irrational or excessive preoccupation with something.
RU: Чистота — это его пунктик.
EN: Cleanliness is his obsession.
little point, item A diminutive form of пункт, used for a small item or point in a list or plan.
RU: Этот пунктик особенно важен.
EN: This little item is especially important.

Пунктик с детства, видимо.

A thing since childhood, apparently.

— Человек с Земли (2007)

А у Вас какой пунктик?

What about you—what's your little quirk?

— Такси (1998)

У каждого свой пунктик.

Everyone has their own little quirk.

— Такси (1998)