haematophilia
This thing is when people go crazy over blood during sex. It's not just about seeing it. They might eat it, bathe in it, or pull it out of you like you're a meatball in a sauce.
He took a sip of my blood and said it was the best wine he ever had.
She bathed in a tub full of blood and screamed like she was being tortured.
He pulled my blood out with a syringe and called it a 'romantic gesture.'