He doubled up in her arms , then went limp . His body rolled over , his face wedging in the roots of a drift stump . Rin struggled to turn him over again ; small pebbles stuck to the bared front of his body . One hand still clamped over the broad smear of blood .
Question: Why was Rin unable to turn him over ?
The answer to the above question:


He was heavy and difficult to move and was unable to move on his own .