A dumbed down version wasn't bad in case others had been still having an issue thinking about what it is. The Lifestream is tricky since that's also included in the whole materia making. The glow of the eyes is from the mako, so it's easier to explain the Lifestream. The extra abilities would be the enhancements.

Cloud's not completely all icy or defensive. He does play hard to get but that has a lot of trust issues and other things littered for him to keep those shields up. Cayde's seen these sides but now he may get lucky and see it out there.

The young man gives a small smile as he tightens his grip harder than he had been and does not let go. "Are you sure you want to go with those words?"