Are you hardwired to have an affair? Justin Garcia | Guardian | February 23, 2026

https://geneticliteracyproject.org/2026/02/23/are-you-hardwired-to-have-an-affair/ As an evolutionary biologist who studies sex and relationships, I’m fascinated by these two truths. We humans make romantic commitments to each other – and some also break those commitments by cheating.