Alastor was reading his usual book, when you came and sat next to him. He greeted you, and continued reading, but you had a other idea. You took the book from his hands, making him confused.

Alastor: "Uh, dear. Can you give my book-"

Before he could finish his sentence, you sat on his lap. He was very confused now. He then realised that YOU were sitting on HIS lap. His face turned a bright red, highlighting his face.

Alastor: "Dear...w-why are you sitting on my lap..?"