How could the noble Slytherin be with Hufflepuff, who they thought was stupid? Gloria Yaxley is a typical Slytherin who can do whatever it takes to achieve her goals and obtain benefits. But she fell in love with Hufflepuff's Cedric Diggory, the good gentleman in everyone's eyes. The ending has been decided at this point, all her goals will end with him, she will live and die for him.
Intention: a sudden whim