Social Commentary - Post natal depression stems from a woman's perceived mistake in replicating "beta male" genetics [1] - This replication occurs through strategies like time investment, familiarity, and acts of service [1] - Women in seemingly happy marriages may experience post natal depression due to this perceived genetic mistake [1] - Conversely, brief encounters with "alpha" males may not lead to post natal depression because of the perceived superior genetics [1][2] - The report suggests a belief that genetics are paramount, with a small effort from a "killer" being more valuable than significant effort from a weaker male [2]