i think he just wasn't simply lucid enough.

i suggest work on stablizastion of the dream as soon as you realize you are dreaming. focus on something, gain clarity, i have gotten surprising results. i could notice how detailed the leaves were on a tree with the sun beating against it. beautiful shit.

also don't ever think your mind will overload. your capacity of imagenation is as big as you make it. we don't come with a limit unless we limit ourselves.