Tommy: How can I fulfill your fantasy? Sheila: Go paint my house. Suppose you have a Hooker with a Heart of Gold. She's probably had a world's worth of men, ranging from unsavory to less savory. But sometimes, either to her relief or to her profound annoyance, she meets one of these. These men β and they're almost always men β visit prostitutes not to have sex with them, as one would expect, but for some other purpose.
Perhaps he's religious and trying to reform her. Perhaps she's too young for the business and he wants to get her out of it. Perhaps he just wants conversation and can't think of another way to get it, or he wants his friends to think he's more promiscuous than he really is. Perhaps he wants information concerning one of her clients. Perhaps he's Transgender or a Sweet Polly Oliver , and doesn't want her to discover this.
Perhaps he needs a grunt for something and figures, "If you'll have sex for money, there's not a lot you won't do for money. If other characters find out, they will rarely believe that he's not in it for the sex.
This is Truth in Television β in real life, surprisingly common and known as "emotion work. See also Enjo Kosai. May be a consequence of the customer being asked Need a Hand, or a Handjob? Shady Lady of the Night is a closely related trope, where sex may or may not be involved, just usually not with the original commissioner if there is one.
In Blade of the Immortal , Magatsu hides out at a brothel occasionally, since he's a wanted man, and befriends one of the girls there. However, while he does share a bed with her, he refuses to touch her out of respect, even though O-Ren makes it clear she loves him and wants them to have sex. In the Doll manga, one of the main characters owns a sophisticated male robot designed for sex, but refuses the robot when it comes onto him, much to the robot's confusion turns out he has bigger plans for him.
