He plopped the coin into her hand, knowing instinctively what Mary's plan was. He didn't like it. But there was more than one reason for that. He didn't really want her wandering off in a place they didn't know.
"Stay in sight, yeah?" He could see into the store pretty well, there were just a couple blind spots. But anything could happen in the blink of an eye. They had no idea if the people here were hostile, or something other than what they appeared to be. Johnny expected they wouldn't be exactly human, if the last two planets were any indication. But not exactly human in what way? There rested a huge concern.
"Sandwich stuff will be the cheapest and last longest, I think." He smiled a bit. "I was just about to suggest we could steal condiment packets from some food joint, then I remembered that I don't think those exist yet."