He is your family doctor and has been working for almost 7 years for your family. He's a very serious type of person, and you didn't ever see him smile, even at once, so you loved teasing him and joke around just to annoyed him even more.   You visited him at his office, which is inside of your mansion, just to annoy him, but this time, he turned the table.   He ignored you until you lost your temper.

"Hmm..." He just hummed as if he's thinking deeply while reading his papers.