In an interview by The New York Times, Julie Margaret Hogben, the writer of the essay that this episode is based on, determines that she followed through with the pregnancy because she's Catholic.
In real life, the titular doorman's name is Guzim.
Prologue: "Inspired by personal essays from The New York Times column Modern Love. Certain elements have been fictionalized."
Cristin Milioti is involved with a Ted, just like she was involved with Ted Mosby (Josh Radnor) in "How I Met Your Mother (2005-2014).