Roger grinned and bumped his shoulder against Marcus', "Hey now, you're no less of a stud for not having been raised in the Muggle world, you know that right? So there's no need for sad frowny face number seven to be brought out." He chose not to think about the fact that he more or less had most of Marcus' expressions committed to memory, focusing his attention on making his friend feel better instead. This was, he figured, by far the wiser solution. If by 'wiser' you meant 'easier to deal with' and he did.
"Of course it will," he said with a fierce grin, fighting down the urge to move his hand down the other man's back.
"Ha, I suppose it is in a way, although not as magical as Diagon Alley," Roger agreed, distractedly flipping the bird at a guy on a bicycle who nearly ran him over. "We're just a few minutes walk down this way," he added, leading the older man past everything from record stores to clothing boutiques. He would have chattered more, but Marcus' wide eyed expression stilled Roger's tongue. "Ah there we are, Tottenham Court Road," Roger said finally, grinning toothily. "We go this way," he said helpfully, as he led Marcus into the station. "Take out the card thingy I gave you and swipe it on the reader like me," he added, demonstrating obligingly. "We're catching the Northern Line," he added over his shoulder, jostling through tourists and locals indiscriminately until he eventually found the right escalators to take them to the right platform. In a rather bizarre and unusual twist, the train arrived just as they got to the platform, avoiding the necessity to wait. "We go four stops before getting off at Camden Town," he said, grinning at Marcus.