Yeah, the title makes me suspicious, but it could be a cheeky fake out to purposely make people anticipate something that is not coming (even though we're explicitly told it's not coming).
NTR is such a weird fetish, are they imagining they're the other guy? But it lingers so much on the victim of it that it has to be some weird form of self-victimisation, and getting off to it; it's emotional masochism.
It's a tired joke, but is it a cost cutting method to use your own tears instead of buying lube? Just use your own spit my dudes! Have some self respect!