Have A Sound Suspicion
Because of the situation, it is important that you have sound suspicion or even hard evidence and proof prior to confronting a cheating spouse. With that, the husband or wife would not have any option but to come out with the truth. Bear in mind, some situations could be potentially risky regarding asking a cheating spouse about the affair.
Therefore, if your spouse has been abusive in any way, you need to have someone with you or conduct the meeting in a safe, public place. In fact, some instances may require that you hire a professional to handle the situation for you.