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.
(..) I'm here helping you. Hey, where's Puddy? The copy machine is broken. That's what they want you to think. Have you noticed your boyfriend has developed an annoying little habit? -The squinting? -No. -The staring? -No. He keeps asking me (..)1998 TvShow: Seinfeld Title: The Dealership Season: 9 Episode 11