I think Nagisa's kind of upset that Gou is only looking at Haru and Makoto's muscles instead of his.
Looks like mine is bigger!Rock, paper, scissors?IT'S! KOU!Huh?Here!Hmm...Gou-chan!Put up your hand.Okay! I'll do my best in the time trials!I won't give in...What?*grab*Like this?*shine**smile**sigh*