Why might indirect characterization be more challenging to read but more satisfying than direct characterization

the right ones are in bold.

daintly refers to the fact she was reaching for what she ate, not necessarily what she is like.

greatest charm as in she possessed (=had) the greatest charm.

pleasant (her demeanor)

speaking (of her sensibility)

dead refers to the hypothetical mouse.

bleeding refers to the hypothetical mouse.

"the sandy walls seemed to collapse in on themselves"

and

"the bloodshot waters seemed to have no bottom"