If something caused you to doubt the loyalty of your wife, first figure out what exactly. Perhaps she began to behave strangely. If the cause of your mental agony in her behavior, you really need to know how you true.
Become more attentive. You should notice all the changes that occur in your own person. What kind of mood she came home from work? What time? She looked tired, as usual, or her emotions were running high for unknown reasons? Observe and analyse, compare her actions and mood of those that were before.
If you notice that the wife is lying to you, even small things, every night, check her cell phone for messages or calls from a strange man. Naturally, such evidence immediately removed the cheats, but sooner or later they may forget about caution. Also visit social networks and check all the correspondence. Do it quietly, so as not increase her vigilance.
My wife and spend more time. Arrange family picnics, trips to restaurant, movies, etc. So you not only will be closer and maybe you will understand that in vain idea favorite, but look how many she has free time. If she will look for a reason to go somewhere, she will often call "work", so your suspicion is justified.
If you need to find out the truth in no time, you can install surveillance camera or bugs. This instrument can be so seamless that your spouse will never guess that she is under surveillance. However, you will need to spend money, so first make sure you want to go that far.
If you have any good methods and, besides, are you sure that the wife won't allow one in the house, check on the lie detector. Over a certain amount you will be able to use this service, which is offered in many cities. But be prepared for the fact that you can greatly hurt your favorite.
If you still want to stay unnoticed in his small investigation, independently take care of her. Be quiet and unobtrusive, view, where, and with whom she goes to when goes to work, or where she's going in the day, if she supposedly got a call from work.
Most importantly – be prepared for the fact that you can open the hard truth. Decide for yourself whether you are ready for it, and only then begin to act. In addition, if the wife will find out your spying on them, and while she does not change, the relationship between you can be very bad. Unlikely normal person like lack of trust to the person.