She nearly jumped when he came in the window.
"Uh, how did you get in...oh." She said. 'I really need to lock my door..what do you want?" She asked. She threw the book quickly into another stack of books, and pulled up her Physics book.
"Uh physics." She said. "I love it, its the language of science..." She said stuttering over her words.
"What do you want and why are you in my house? And how is your leg?" She asked.