There's no such thing as fiction in the First Order. The only thing they get to watch are heavily propagandized First Order historical videos and documentaries.
So when Jess gives Finn a whole bunch of pornos when he asks how to woo Poe, he thinks they're straight up factual instructional videos and works his blessed little heart off trying to recreate some of those ridiculous scenarios to win Poe's heart.
+10 if he tries to simulate some of the crazy positions people bend themselves into in a porno and Poe walks in and is worried Finn is into self-harm. +1000 if, after Poe keeps not falling in love with him after several attempts at reenaction, Finn desperately asks some other pilots to help him reenact the orgy vid because that seems to be his final option and possibly the only way Poe will have anything to do with him.
Finn+Poe: Finn thinks porn vids are instructional videos
So when Jess gives Finn a whole bunch of pornos when he asks how to woo Poe, he thinks they're straight up factual instructional videos and works his blessed little heart off trying to recreate some of those ridiculous scenarios to win Poe's heart.
+10 if he tries to simulate some of the crazy positions people bend themselves into in a porno and Poe walks in and is worried Finn is into self-harm.
+1000 if, after Poe keeps not falling in love with him after several attempts at reenaction, Finn desperately asks some other pilots to help him reenact the orgy vid because that seems to be his final option and possibly the only way Poe will have anything to do with him.