His juvenile science fiction virtually omits heterosexual practice, either because Silverberg was tired of coming up with interesting new ways to describe breasts, or because he presumed that his intended audience of American preteens boys had no heterosexual interests. Instead, there is ample buddy bonding.
Jan: Saul never touched me! He’s terrified of girls. . .whenever I started getting the least bit biological, he hid behind a stamp album!
Tom: Poor Saul!
Though Silverberg deems heterosexual desire the natural condition of humanity, the very definition of the term “biological,” he oddly fills the book with beings lacking such desire for one lame reason or another.
Kelly Watchman, an extremely beautiful android, “didn’t want to, and didn’t even want to want to, and couldn’t even begin to understand” heterosexual practice
Sheen Sheen, a hermaphrodite, falls in love only with “his/herself”.
Tom’s handicapped sister Lori “cannot” date boys or fall in love.
The only “normal” one of the bunch is the girl crazy teenager.