It's hard to tell. Some of these people were in relationships to start with, from what I can see. We'd have to talk to a lot more people to figure out if they were acting strangely.

[There's the sound of pages turning, and just that for a while. Now that he's looking for something in particular, he is noticing a few tells in the discussions therein. Brief hesitance in early stages of the conversation, for example, when he would expect a reply to come more naturally - especially if their relationship was as close as they would seem to later indicate.]

It could be that it's effecting some more subtly than it would others.