He needs to feel like all of his secrets are safe.

"...build from the center, then outward."

The determination and the desire to do good, all of the heroes he's know. Ray's ability to stay sane in the weirdest conditions, that's the framework of the walls, engineered mobile framework, like rebuilding the gauntlets. And energy walls. Though it's getting harder to hold those up into place, they're hard to see or get through.

"Hnnh..."

Should he shouldn't he, stop that second guessing, what do you need to do? Trust.