Arthur met Markus already in the hall, going with him to the bathroom. They were brothers, and pretty much used to it. And this way Markus could shower, and Arthur could talk with him.
“Are you sure he’s good for you? That he’s who you want?”, Arthur was pretty sure Bing was an okay guy, but he wanted to make sure Markus would be happy as well. “I’ll take you home with me if I need to.”.
Markus giggled in return, shaking his head lightly. “I’m very sure. And I know, but you won’t have to. I’m happy here.”.