The interesting thing about having to stand there and wait for her to finish before I left for lunch was that, even though we had been in the middle of a conversation whose interrupted momentum was what was holding me there, the longer I stood, the less likely it became that we would resume where we had left off, not because we had forgotten the thread, but because we had been discussing light, dismissable subjects, and neither of us wanted to be perceived as having paid too close attention to them: we wanted to preserve their status as chance observations that we had happened to make in the
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