He buries his head in the sand whenever there's a problem.

She is sticking her head in the sand and ignoring the problem.

He sticks his head in the sand whenever there's a problem.

He buried his head in the sand and ignored the problem.

He always puts his foot in it when he tries to tell a joke.

She always ends up sticking her foot in it whenever she tries to give advice.

He always sticks his foot in it when he tries to give advice.

He always puts his foot in his mouth when he talks about politics.

He really stuck his foot in it when he made that comment.

He sticks his dick in crazy every time.