Atlas Shrugged begins with the words "Who is John Galt?"... And the Atlas Shrugged hero, John Galt, is not romantically involved with any female in the book.
Meanwhile, at the end of Atlas Shrugged, John Galt's "Gulch" population is exclusively male ... before Dagny's arrival.
Go figure.
If you look at a photo of Ayn Rand it becomes readily apparent why she didn’t write romance novels...; )