Actually, it was the opposite. In a threehorn society, it was very patriarchal where the females are subordinate to the males and the females have to satisfy the sexual desires of the opposite gender. Tria is unfortunately forced into a relationship with Topsy, the arrogant and volatile male. Cera may have a good life now, but just wait until her eighteenth Starday, and you’ll see a drastic change in her life.
Spike’s Parents died in the Great Earthshake.