What our ancestors did can't tell us what we should do today. Appealing stories about ancient behavior often skip over weak evidence and unjustified leaps in logic.
From better decisions to healthier relationships, the best advice often comes down to structure over instinct, honesty over blame, and meaning over achievement.
IQ scores reveal some patterns, but they miss far more than they capture. Knowing someone's IQ justifies small adjustments in expectations, not definitive judgments about who they are.