Yeah, evolving social behavior is a prereq. We're doing speculative biology, not real biology. :) The idea might be, if they lay eggs at 3 years old, then the 2

Yeah, evolving social behavior is a prereq. We're doing speculative biology, not real biology. :) The idea might be, if they lay eggs at 3 years old, then the 2 year olds do the teaching. But by the time they can do that, I bet it's not that hard to lose the brood-until-you-die behavior either.