Responses

Yeah, I think it was a translation error where they just mixed up the pronouns
I think she's insinuating that he's been sexually frustrated (especially now that he's living with the elf girly) and that since he keeps going into the dungeon, he's secretly enjoying it and using it as an excuse an excuse to fuck
So he comes into dungeons because he wants to touch a demon? So is elf just a replacement? What the hell is happening.