While he was distracted by the knife, she kicked him sharply in the shin for taking it. Though, really, it had been a nice move, and classic Mum--she'd given them both their first hand-to-hand lessons. She relaxed slightly, hands at her side but not obviously reaching for more weaponry. Yet.

"Everyone knows McCallum family relations. Tell me something everyone doesn't know." She tilted her head. "And give me that knife back, I won't stab you with it."

If she has to stab him, she can do it with one of the other knives she's got hidden around her body.