Enjolras adds his own order for water, absently courteous, as a quick aside. He's aware that Gatorade is a healthy future thing, but it's weird.

Anyway, he's not quite grinning back at Edgar, but his face has definitely brightened in amused response. "Thank you," he says, taking his own seat. Back to the Mars part: "Through Milliways? And -- a horrible monster?"

It seems like the kind of story Edgar's interested in telling, at least in brief, and Enjolras is interested to hear! So.