She was using him. She made no qualms about that fact. He knew he could easily walk away. Tell her to fuck herself her failing or passing wasn't his problem. He was pretty sure she didn't listen to half the stuff he told her during tutoring sessions. Just staring off into distance or doodling in her notebook. Then after a quiz or test with a low grade she'd blame him. Still Bill stayed because one sided as it was and the times he felt he as wasting his time Vicky was actually giving him a gift. Someone who needed him.