Is his brain actually worried about that.  This requires that his brain assign significant probability, not only that everyone he's come to have feelings for is a Conspiracy agent, but that Keltham has enough evidence to figure this out, or will be able to find enough evidence as soon as he tries.

Is his brain actually worried about that?  On a short-term timescale?  This requires that his brain assign significant probability, not only that everyone he's come to have feelings for is a Conspiracy agent, but that Keltham has enough evidence to figure this out, or will be able to find enough evidence as soon as he tries.