Privacy and trust are essential components of any relationship, and violating someone's privacy is not only unethical but may also be illegal in many jurisdictions.
If you suspect that your spouse is cheating or facing relationship issues, it is essential to address the situation with open communication and honesty. Consider having a conversation with your spouse to express your concerns and work towards resolving any problems together. If necessary, seeking the guidance of a professional counselor or therapist may be beneficial in helping you both navigate through the challenges in your relationship.
Remember, trust and open communication are crucial for healthy and strong relationships. It's better to address issues directly and work towards resolving them together rather than resorting to secretive and potentially harmful actions.