[ Derek is pretty nice. There are a few places he can go from here; lie, maybe, about needing this kid's help with something, just to have a reason to hang around and learn more about him. Honesty is another option - "I kinda killed a dude and I wanna know if Tate told you about it", maybe, or else "I'm a spooky spooky werewolf and I wanna see if you'd wanna get bit and join a cool pack of dog-dudes". That'd go over well.

Instead, Derek just sighs, hitting Jughead with a long beat of silence and carefully raised eyebrows. ]

You're so bad at answering questions. It's like you've never had a pleasant conversation with a creepy stranger in your bedroom before.