"It is... if you aren't human."

Stefan holds out his wrist, just for visual proof: he lightly grazes his nails against the top, and just as his skin begins to bleed - the blood hardens and clots up, and his skin starts repairing itself. As if he'd never attempted to injure himself.

"And the reason you haven't heard is that people like me know what would happen if your parents or the Newsies found out."