He doesn't listen when you talk
I can always tell when a client is emotionally attached to me: he listens to my words, and remembers details of a conversation or story that we shared. If I tell a story, and the next time the guy's in the club he references it, points to him. He was actively listening.
If you tell a story, and he changes the subject or responds by talking about himself in an unrelated manner, he has no interest in you other than sexually. I'm certainly guilty of the same behavior when I'm just trying to get in someone's pants.
He's uncomfortable with bodily functions
Gawd bless the kind strangers in the club who have been understanding of a wayward tampon string.
Grooming and hygiene are important. But sometimes you’re going to have a booger or bad eyebrows. People are not wax statues, even if you’re a model, stripper, or have had a ton of plastic surgery. People who appear perfect are still managing bodies that pass food and waste.