Jason places a hand on her belly and feels nothing different at the time, but decides to sit down next to her. They talked about anything that came to their minds and passed an hour or more, by the end of it she was showing a noticeable curve to her belly, even if it was vanishingly small. Four weeks on such a slender frame showed something, even if was only noticable by touch. "Oh!" he gasped after a moment, "I think that's... something."