No need to worry yet over things like how, or why.

But I'm not going to worry over two bad games.

I don't want to be gone too long or they'll worry over me.

You must not worry yourself over these things as yet.

It made no sense to worry over things I couldn't control.

Worry over the boy and her husband; for herself, nothing.

She could have told them they were worrying over nothing.

She'll never have to worry about over- population, because she wasn't meant for man.

He noted something with half of his mind, while the rest worried over the problems to come.

One "I worry too much over something that really doesn't matter."