spicehoarder

1. Smell delicious burn meat from a brush fire
2. Associate delicious flavor from roasting flesh
3. Observe how fire naturally starts.
4. Use intuition.

Rubbing my hands makes me warm. Thus rubbing dry wood makes wood warm. Really warm wood causes fire. Use fire to eat delicious meat.

I’m pretty sure the defining feature of homo erectus is the ability to grasp cause and effect, fire should be pretty early game.

Willing to bet a 90% size reduction