What can a man do to stop his wife from cheating on him.
It’s difficult to stop anyone from cheating. You can only try your best to show you care more than anyone else.
You can’t possibly stop a dog from barking
You can both agree to be recording your day to day activities play it at anytime you want to check, correct and see where you needed to improve on. But if you do that without her consent and she get to know and report you. Forget you will end up in jail or prison.
You can employ qualified personnel or a reputable organization to that recording. Note you must both agree or seek her consent to that to her.
If you want stop her from cheat you need to be caring her and give her anything she wants
Be caring n available. Provide her needs n always appreciate her