"She seems sort of inner-thoughtful. Cheerful enough but as if something's bothering her that she can't stop."
"That all?"
"No," he went on. "She hiked upstairs like a shot right after dinner was over. Tim raced after her. And she said no to coffee."
"Oh, that. She's just a little upset in the middle."
"But why?"
"She's pregnant."
"Pregnant?"
"Sure. Can't you see?"
"Never occurred to me to look."
"Well, it's so," said Martha, scouring a coffee cup with an exaggerated flourish. "And I'm going to have a half-sibling."