I think you missed the stage on learning how to make a convincing lie. [Shun's tone is on the edge of deadpan there, because it's hard not to be when Fubuki is like this.

And speaking of things it's hard not to be when Fubuki is like this, Shun casts him a rather sharp look at his warning.] You'd get more out of those words than me. I'm already vigilant enough.

[Whereas Fubuki was the one who got ambushed walking outside earlier.]