Only now the dazed psyche of the man realizes how he tripped in his thoughts. The woman's words reminded him so much of an answer to another question, he forgot his own. "Ah, yes. You're right. Sorry, I'm feeling a little sleepy." That is something of an understatement from someone who probably is asleep.
The man walks next to the woman, not really sharing her enthusiasm. "So the world ends in nothing ahead? What's so terrible in that? I think I already passed through nothing on my way here, and it wasn't that scary."