trouble (one's) head about (someone or something)
To concern oneself with or worry about someone or something. Often used in negative constructions. It's just a minor technical error that should resolve itself—wouldn't trouble your head about it. I know I need to stop troubling my head about such negative people, but I can't help letting their comments get to me.
trouble one's head about someone or something
to worry about someone or something. Please don't troubleyour head about me. I'll get along. I wish you wouldn't trouble your head about the problem. We can solve it.