[He can't help but note that she's managed to age even less than him which might explain that comment, but he still can't leave it alone.]

Really? How long has it been exactly?

[He's going to ignore that mask question. Instead, he'll focus on wondering if these are anything like Psynergy vortexes, though if Sheba isn't aware of their existence, perhaps he should keep that to himself for now.]

I may be more inclined to stay clear of them if I knew why they were so dangerous.

[Actually having those voices is reason enough for him, he just wants more information.]