It sounds about as strange to him as he imagines it does to Luke. Luminous beings? He thinks he understands the philosophy of only being constrained by what they think they know, but luminous?

"Ten. He was really intimidating. It was like ... He demanded respect just by standing there. And I don't think it only had to do with his height. I got really scared that I was gonna be a disappointment. But he never made me feel like one."

Any disappointment he's felt has only ever been from himself.