It all came back to the original question: why would anyone be looking for us?

Which returned him to his original question: why are we so afraid of them?

Which brings me back to the original question: who is the love of my life?

To cool things down and come back to the original question.

"But that gets us back to the original question," said Took.

And maybe that's the real answer to my original question.

"Now, will you get back to my original question and clear out the office?"

All these ideas are fun, of course, but they do not help us to answer the original question.

I should like to come back to your original question.

That was not in the original question nor did I answer on the subject.