According to Doctor Marty Klein, an American psychotherapist and sexologist, understanding infidelity correctly is the first step for couples to make informed decisions about their relationship.
After his wife sent photos of their children to a stranger, a man in Shandong province underwent DNA testing, discovering two boys were not his biological offspring.
Dao Ngoc Anh, suspecting his wife of infidelity with an old classmate, tracked her to a beer quan and severely wounded two of her friends in a jealous attack.