It is a terrible feeling when you think that the person that you love and care about is cheating on you. It is tough to get the thoughts and images out of your mind. You become pretty much fixated with it to the point that it is affecting your job and your daily life. It is a lot of stress for a person to take on especially when they have made a lifetime commitment to this person.
Since you think that your spouse may be cheating on you they must be giving you some . When a person is cheating there are usually several indicators that point in that direction. Alone they may be nothing, but when you put them together it may indeed point to the fact that they are cheating on you.
Some of the indicators may be that they are no longer affectionate with you, or remain pretty much emotionally distant from you. You might also notice that they spend less time with you and more time at work, or out with "friends". Usually they might start taking better care of themselves physically out of the blue, or start dressing nicer.
These or only just a sampling of the warning signs a cheater may be giving. You may recognize these or see other flags that your spouse is giving you. You need to find out for certain if they are really having an affair. The worst way to go about it would be to accuse them without any proof. This will completely backfire on you making you look like the untrusting jerk. You need proof before you say anything.
If your spouse is having an affair, then they are definitely talking to this other person, probably using their cell phone. If you notice a lot of unfamiliar numbers on your spouse's this could be the person they are cheating on you with.
With the technology that is available today you can find out exactly who this cell phone number belongs to. There are reverse cell phone lookup directories that will tell you quickly who this person is. You do not have to go through your life with the stress of not knowing. Find out who this person is quickly.