For millions of years, our ancestors’ survival depended upon their ability to get small groups to include them and trust them, so if there is any innate drive here, it should be a drive to get others to think well of us. Based on his review of the research, Leary suggested that self-esteem is more like an internal gauge, a “sociometer” that continuously measures your value as a relationship partner. Whenever the sociometer needle drops, it triggers an alarm and changes our behavior.