Wish Chain: Married Gay Couple

As Edward left the room, he muttered "I wish *you* knew what it was like to be a man with female breasts." The moment he made the wish, his wife was entering the bathroom. But the person who lifted up the toilet lid was *not* his wife, but rather his *husband*. Edward and *Ben* were now a married gay couple. And they both just happened to have breasts. But given this turn of events, what happened to Karyn? Did she still exist in this new reality? Or was she erased from existence?