All my adult life I'd been focused on how to make things stick to the ground.

Well, this thing stuck to my tooth for 45 minutes.

A thing like that sticks in the back of your mind.

As you say, a thing like that sticks in the back of your mind.

One thing stuck in his mind that he didn't understand.

Two things about our world particularly stuck in their minds.

As Mother used to say, not a thing stands still but sticks in the mud.

Some things stick in your mind, certain images from this movie you won't be able to forget easily.

The next thing he knew, an old woman, a family friend, stuck her head into his car and gave him a big kiss.

Are they not odd things to be sticking on the sides of a person's head?