(Last time you secreted blood from an area she was licking. She only needs to "Get a taste" for level 1. 2 she needs to drink of your blood. A helpful reminder, you can make blood secrete from any area that could secrete any bodily fluids. But you're going to need her to drink a couple ounces of it. So that ruse is going to have to be crafty.
Your cutting thing did buy her a decent excuse for blood loss, so when she wakes up qoozy, she won't think Vampire.)