[ He's not really sure about the iron deficiency, but... ]

Sleep is not something that comes easily to me. I am nevertheless capable of functioning sufficiently without it.

[ Which is probably evident, given the dark circles under his eyes, not that sleep deprivation is the only reason for them. Yi Sang wouldn't consider it a problem though, not when the condition has persisted for quite some time. ]

I find myself gazing at the sky on those nights when it eludes me...