Rei had made the demand because of one very, very simple reason: There was something about Usagi that she just felt was important. A connection between them in some way, and one she couldn't deny. Rather than fight fate, she's just surrendering to the inevitable and attempting to...cope...with Usagi's childish behavior. The other girl was incredibly sweet, but stars above was she impossible please.

"Usagi-chan," Rei replied with a twitch of her eyebrow, "I told you before...we're just going to see the canyons. I read about them and felt they might be interesting. We've only been walking for a few hours at most."

Beside her, Casius, the Growlithe who'd decided Rei was the greatest friend that ever did friend let his tongue loll happily and looked back at the blonde girl and Pinky. His big, brown doggy eyes beamed, and Usagi might get the impression of excited acceptance. It's okay! We're going somewhere great! Yes, great! Lots of interesting new smells!

"I did tell you to wear comfortable shoes, didn't I?"