Complex sentence: According to Pausanias the werewolf could once again live as a man provided he abstained from human flesh for nine years; if however the wolf tasted the flesh of a man he would remain a beast forever.
Split into simpler sentences: According to Pausanias the werewolf could once again live as a man provided he abstained from human flesh for nine years. If however the wolf tasted the flesh of a man he would remain a beast forever.