I wouldn't worry my head about it, long as you feel all right.
But you don't need to worry your pretty head about it.
But you really needn't worry your pretty head about it.
When I asked why, he told me not to worry my pretty little head about it.
"Then are you trying to tell me that this is something a girl can't handle or shouldn't worry her head about?"
Don't you worry your pretty little head about these details.
Of course I still have a wife, but there's no need for you to worry your pretty little head about it.
Don't you worry your pretty head about this place, dear.
Don't you worry your head about it any longer, my dear.
Well, don't you worry your head about it, we'll find a way out together.