Take this vibrating blue jelly hand, for example.
If your girl is into The Other (and whose girl isn't?), you are guaranteed that your eager mail-order bride/"person you're showing around the industry" will not substitute her love for you with desire for the company of a novelty.
Were this a flesh-colored device crafted from some kind of "realistic" material, how soon do you think it would be before she fled to Oregon with the lady next door who has a wood shop in her garage?
Instead, the Helping Hand Vibe looks like something sealed underground at Area 51 after the alien autopsy. You can say: "You into extraterrestrials, baby?"