I hate to break it to you, but if he's interested in your highly personal areas, he probably isn't interested in your sisters.

“She gritted her teeth. She was here with Sebastian, on her way to see a powerfu…”

“Yes," Jace said, unable to help himself, "I was trained to be an evil mastermin…”

“Dudes," He said, "Do not follow other dudes to the bathroom."Isabelle sighed. "…”

“Magnus stood up and went to the window. He pushed the curtain back, letting in …”