She looks at him, her expression thoughtful with pursed lips and furrowed brow like she's trying to decide whether if she can ask him at last or not.

Seems like she should. An opportunity presents itself after all. "... Can I ask what exactly 'it' is, Sirius? I-- They speak a lot about you but not what got you into trouble in the first place. It's all wrapped up in a mystery for me still, believe it or not."