[ She keeps herself looking reasonably frail and fragile until they're out in the hallway and then... straightens right back up, so she can return his thumbs up. Really, she shouldn't be getting up to japery like this when she's got so much work to do but it's all for the greater good. Kind of. ]

We should probably go straight there, just in case. [ She's keeping her voice low enough that Morris is the only one to hear then she turns to set off – she's been to the nurse's office enough times that she can make the trip on autopilot by now. ] If I'm right, there shouldn't be anyone in there today, so we have a good excuse for you to stick around until we head back to class.