Still she hung in air. Maybe she could have let herself down, certainly she could have continued fighting, but the shock of having someone walk in on the proceedings...
Her hands had been scrabbling, chasing at his hair, his shirt, at other places...
The shock of having someone- and not just anyone, but Ernie Macmillan, of all the possibilities- break it up at that moment. Her face reddened, in anger, embarrassment, or something else, she wasn't sure. And so she hung there, not bothering to break the spell.
"Go away, Ernie." She couldn't shake her own breathlessness. "You shouldn't be here. Go away."