Why did my wife sleep around?

There can be many reasons why someone might engage in infidelity, including emotional dissatisfaction, a desire for novelty, or unresolved personal issues. It may also stem from problems within the relationship, such as lack of communication or intimacy. Ultimately, understanding her motivations would require open and honest conversation between both partners to explore the underlying factors. Seeking the guidance of a therapist could also be beneficial in navigating this complex situation.