Think of it as overcoming a local maxima. Thinking is expensive so requires more time getting food to supply that thinking, and then evolve that thinking to be

Think of it as overcoming a local maxima. Thinking is expensive so requires more time getting food to supply that thinking, and then evolve that thinking to be smarter over time. The difficult part is getting thru the early bottleneck where your thinking isn't supplying massive amounts of excess calories that can be used on exploratory thinking.