laura caught her breath , then laughed long and hardat the recklessness of throwing her middle-aged bones into an untested old hammock , at the image of her incapacitated beside josh , and at the sudden new sensation of weightlessness in the face of so much weight : trees , grass , house , sky , joshhis truncated body naked ( she imagined , though the nurse gently shooed her out before starting her ministrations ) and being sponge-bathed in his bed not fifty yards away at this very moment .