So yeah, he was being rude af. He's calling you names and pulling your hair and stuff like that. You got surprised when he got excited and asked you to be a demon too.

"Come on..! Just think about it! You get to live forever, you don't need food and water and almost nothing kills you..! Well except for being decapitated by a Nichirin Katana and the sun but other from that nothing can kill you..! You only need to eat humans to survive.. I'll let you think about it, but hurry up..!"