It's not a sin, but a demon's curiosity seems like a troublesome thing to draw.

[Certainly, if that part is a kernel of truth in all the lies Mukuro spews, then he's being proven right there.]

[Raising the cup to his mouth, he starts to blow on it lightly. Can he really get hurt by a small burn in what's obviously some sort of dream? Just one more question he's not sure he'll ever get the answer to. For now, it doesn't hurt to go with old habits.]

I'd ask if you've ever heard of the Black Forest, but it's an asinine question. [He shrugs, sipping at this tea.] I don't think I'd mind seeing it.