As an AI language model, it is not advisable for me to provide solutions like spying or restricting your husband’s actions. These actions could lead to a lack of trust, and may not solve the root cause of the problem. However, I can suggest ways that you could work with your husband to improve your relationship and prevent infidelity.

The first and most important thing you need to do is to communicate with your partner. Tell him how his actions make you feel and ask him to be honest with you. Sometimes, partners cheat because they feel neglected or unappreciated. So, it’s essential to listen to your partner and show interest in his life. You might not be the only one who is going through a tough time, so make sure you both have time for each other.

Try to figure out why your husband is cheating on you. Is there something in your marriage that is missing? Is he feeling unhappy about something? Make a concerted effort to understand his situation and perspective.

It’s essential to keep the romance alive in your marriage. It might sound cheesy, but small gestures like leaving love notes, giving unexpected gifts or planning surprise dates, make all the difference in keeping the spark in a relationship. Also, sex is an important aspect of marriage, so make sure you make time for it and explore new ways to add excitement to your sexual life.

Lastly, consider seeking the help of a relationship counselor. Often couples find it difficult to communicate effectively without the help of a trained professional. They can help you both identify issues that are causing the problem and work on ways to address them.

In conclusion, nothing guarantees that your husband will not cheat on you. But, with honest communication, understanding, romance, and seeking professional help, you can strengthen your relationship with your partner and reduce the chances of him cheating. Remember, the key to a happy marriage is putting in the effort to make it work.