If the punchline is "Once they get to the sex, it's actually incredibly normal and safety-filled" that would get a chuckle out of me.
"What they think the sex is gonna be like and what it's actually like" can be a good reflective joke when the thinking involved has stuff like double cock full body penetration going on.
Base +6, PlayPanther +2, sir ivane +5, Qwertius +3, Elendias +7, Barethor +6