Costs (2) Human beings (2) Finance (2) Finance (2) temps (durée) (1) temps libre (1) évolution (1) énergie (1) Reproduction (1) Acquisition (1) Drama (1) Phenotype (1) Hominids (1) Bipedalism (1) Rates (1) Will (1) Time (1) Testosterone (1) Social learning (1) Social interaction (1) Social evolution (1) Reproduction (1) Power resources (1) Power (Mechanics) (1) Maintenance (1) Life (1) Leisure (1) Investments (1) Hunting and gathering societies (1) Growth (1)