Catchadourian is not comfortable with having a female body and believes that staying as a woman had been the wrong choice in retrospect, but has no regrets about having needed to make the transformations stop before having a clear answer at the time.

It is then revealed to the audience that Michelle is actually a zerophiliac herself, that Max is not her brother but her own male form, and that she had been living a double life comfortably as both genders; it is implied that her previous relationship had failed out of her ex-boyfriend being disgusted with her nature as a zerophiliac and that she had been using both of her forms to get closer to Luke and understand him better, fearing that she would be rejected again if he could not come to like her as Max.

Keenan and Luca find Catchadourian flirting with closeted gay bartender Jeremy (Chris Meyer), whom he had shown interest in earlier.

Now out of options, Luca wistfully asks Keenan and Janine about what it's like to truly make love, expressing envy about how easy it is for them to have each other without worrying about anything else; seeing them describe each other as their respective other half, Luca laments not knowing what "half" she would even belong to and concludes that she prefers being male but is also female, is attracted to Max and in love with Michelle, and thus "It's like I'm supposed to be both.

She then apologizes to Max for leading him on with mixed signals and confesses that she finds him to be attractive, but refuses to start a relationship with him out of a belief that it would mean betraying Michelle.

Finally understanding Luca's intentions and loyalty, Max calls her a "moron" for not noticing and reveals his identity to her, and the two reconcile by making love, cycling through every combination of their genders and having intimate conversation in between.

The website's consensus reads, "Zerophilia has some intriguing ideas, but they're imparted with a frustrating lack of wit, daring, or valuable insight.