"It might make a good article," she replied seriously.
"It is a necessary part of human existence," he replied seriously.
"The one who stands firm is obviously myself," she replied seriously.
She was serious, and the least I could do was to reply to her seriously.
Le Mat replied seriously to what he considered a naive question.
"I think we should talk about that, Em," he replied seriously.
'I'd never love anybody more than Father,' she replied seriously.
"I hope it won't be too bad," he replied seriously.
"I depend upon its leading you just where you would wish to be," she replied seriously.
"I would wear your skin if it were possible," she replied seriously to his gentle teasing.