Marlene could hear voices. It couldn't be Emm or Kings or they'd walk inside, and that meant that she had visitors, and she wouldn't allow Alastor to kick them out.
She would have got up, because no matter what Alastor or Stephen thought, a few steps wouldn't kill her. The cuts might. "He doesn't need to do anything, because I'm capable of walking, however, it doesn't seem necessary, and I'm good, thank you for asking." She looked between the two, smiling. "It's so surprising to see the two of you together."