Complex sentence: The lifespan of a Giftia is 81,920 hours (roughly nine years and four months), and if they pass their expiration date, it causes personality disintegration, memory loss, and outbreaks of violence.
Split into simpler sentences: The lifespan of a Giftia is determined beforehand, and a Giftia can only live for a maximum of 81,920 hours (roughly nine years and four months). If they pass their expiration date, it causes personality disintegration, memory loss, and outbreaks of violence.