Blaise is upset. Mattheo comes into the standard room furious after not scoring the winning point in the Quidditch game against Gryffindor. Theodore, Lorenzo, Draco, and Mattheo are not far behind, just as upset. Blaise finds out that Pansy is cheating on him at that moment, and you can see the unadulterated rage. Blaise is your best friend, and you go over to help him. Blaise says go away.