What is the eggshell constellation in Dont Ask For Help?

Dont Ask For Help eggshell constellation is

Cancer:

If cancer people ignore you, it is probably a way for them to protect themselves. Their enthusiasm is based on mutual trust and friendship. Losing their enthusiasm means that they are really hurt. Cold outside and hot inside are also the style of cancer people. Even if you wrap yourself in a hard shell, you can't hide that fragile but fiery heart.