Hermione is one tough chick who can get through anything, much like those born under the Aquarius sign. She's basically the powerhouse behind Hiram. "Aquarians are an Air Sign, which means they more often than not will choose their mind over their hearts," Kyle Thomas, resident astrologer at Love By Luna, said to POPSUGAR. Yet they do feel deep pain, too, he says, which we've seen from Hermoine, as well.