cheating

There are many different ways but the most obvious is that you already suspect him. If you suspect him you must have seen some red flags lately either changes in his behavior such as disappearing for extended periods of time or won't let you kiss him right away when he comes home from work, wants to shower first. Maybe he seems more distant and less plugged in to your relationship. What ever the reason you need to find out for sure. If you can follow him or have a friend do it. WAtch the cell phone for numbers you don't know, watch for changes in the way he treats you, or doesn't treat you what ever the case may be. But the most important thing is you need to find out now before you get in any deeper.