Things have a nasty 'habit of not turning out' the way you expect them to. [=things often do not turn out the way you expect them to]
He reached into his pocket for his keys 'by/from force of habit'. [=he did it without thinking because it is what he usually does]
I'm 'not in the habit of' making predictions, but I don't think there's much doubt about who will win this election.
(..) What's wrong with cloves? -You can't inhale cloves. What's the point? Oh... -You're not supposed to. Well, cloves were when i first smoked when I was young. So, you know, it's a force of habit. It has fiberglass. Really? -Yeah. Yeah, rolling your own is best. Also, like... (..)2017 Lady Bird