Because the former Zarf (our boy Jeffrey Carlson) has completed her transition, and is now Zoe.
And because Tboy's friend Shana, who writes the Popnography blog at Out.com, has the backstory on yesterday's All My Children episode, in which Zoe attended a support-group session populated by what Shana calls "100 percent certified Actual Transgender People."
Six of them, in fact, according to this backgrounder from GLAAD. Apparently a good chunk of the scene was unscripted/improvised/real stories from the guests' lives.
UPDATE: Video below.
TMZ has an item here.
And BestWeekEver's inevitable take on the day's episode is here.