And just because you understand it doesn't make it any less idiotic!

[He doesn't get it at all, but he's learned to trust his anger and this...this pisses him all kinds of off. He shoots her a glare, finally subsiding in his flailing about.]

I know what I'm doing. You're the one who's clueless.

I believe your story, but I still want you to prove something. If you mean it, it shouldn't be a problem, but if you're lying...then we'll find out anyway.

[With one sharp swipe, he embeds the bolt into his left palm, dragging a line across and shaking off the resulting blood. He rubs the rest on his jumpsuit, and tosses the bolt to her, expression grim.]

Now you do it. Doesn't have to be your hand. You just have to prove it.