[the pulse of guilt is confusing and missing context; Blue's head tilts slightly at Adam for a moment, but he lets it go.]

My kind age slowly, if at all. Some more than others. [mouth quirking a little with the thought. Zel is so old.] I didn't notice for many years. Not until I realized I looked fourteen for forty years or more, while a few of my friends looked like they could be my grandparents.

I wouldn't know why. It could be a quality of my power. It's different than theirs.