Answer:
The line "Of course it must, my name means the shape I am-and a good, handsome shape it is, too. With a name like yours, you might be any shape, almost" shows Humpty Dumpty is proud of his appearance.
Step-by-step explanation:
In his other lines of dialogue, Humpty is clearly arrogant and proud, but this line specifically shows that he is proud of his shape and looks.