What is the nuance emotion most closely related to Claudio and why?

If you sum up all of
the emotions displayed by Claudio in the play, perhaps "passion" would be the nuance
to which you refer.  Claudio is extreme in his emotions.  He falls in love with Hero very
quickly and just as quickly decides he wants to marry her.  He shows extreme gullibility in
believing what is told to him by Don John pretending to think Claudio is Benedick.  Claudio has
no proof; he just has the words of Don Pedro's half brother who is known to be, at best,
sullen.  Still, Claudio is ready to believe that Don Pedro is...