[He wouldn't have been sure what to think if he'd seen her smile. He isn't someone used to making good impressions on people.]
The former is simple in theory. [Just people speaking up. Not everyone is as shy about it as Nathan is. Not that there aren't other factors.] The latter is of course much more complicated.
Voice
The former is simple in theory. [Just people speaking up. Not everyone is as shy about it as Nathan is. Not that there aren't other factors.] The latter is of course much more complicated.