Abby just nodded to Dr. Chase's directive again, since actual speech wasn't really required. She was willing and able to be a donor whenever needed, but he was right. Delirium needed to be slightly more stable before that could happen. She'd also preferably be in the clinic instead of on a cold bathroom floor.

"You're right, you're not deaf," she agreed with Del. "My parents are, though. Want me to teach you a few signs? They're pretty simple and then you can say things and other people won't know you're saying them. That could be fun."

That aspect of sign language caught most people's attention, honestly. Something about the sneakiness factor of being able to say someone was a hippo or something without them having any idea you said it.