Complex sentence: Lord Greystroke is still a man, yet manifests "feminine" qualities, which arise at times when they should not, obscuring the fact that a man should eat meat, raw or cooked, to sustain his individual self.
Split into simpler sentences: Lord Greystroke is still a man, yet is assigned "feminine" qualities. These qualities arise at times when they should not, obscuring the fact that a man should eat meat, raw or cooked, to sustain his individual self.