She had never been able to fathom people who wanted to remain in mateform. Most couples, in order to have a child, would enter the form and sequester themselves away for a year—then would be out of the form as soon after the child’s birth as possible. After all, who would want to go out in public like that?

The humans did it. That had baffled her during those early days, when she’d spent time learning their language, trading with them. Not only did humans not change forms, they were always ready to mate, always distracted by sexual urges.

Words of Radiance Interlude 1