Yes, not following up after a single question makes it even worse. It signals either “I found your answer uninteresting and couldn’t be bothered to follow up “,

Yes, not following up after a single question makes it even worse. It signals either “I found your answer uninteresting and couldn’t be bothered to follow up “, or “that first question was perfunctory and I never really considered talking about anything other than myself”. When last did this happen to you?