[A headache threatens to crack his skull wide open. He presses his hand to it and keeps walking at her side.] Yes, and...

[But the words fall short. He knew something about this once. Something important. He frowns.] ...I believe that is one of the things I'm missing. I got a headache the moment we started to discuss this. Hopefully, I'll remember more. But, you're right. We can ask who they get their goods from and how far they are.