Miles is starting to feel indignant at having his questions brushed aside like that, and a little light-headed on top of it. He might be upright now, but he feels disorientingly capsized. He opens his mouth to object multiple times before Mark cuts him off, and finally bursts out, "I don't have the synthetics anymore! And I fell out of a -- that's what happened! What happened to you? You didn't look so -- you didn't look like that when you left Earth!"