I've been clean for 12 years. Christ gets all of the credit. I don't have any formal counselor training. I do know there are websites and books out there for addicts, though I have never read them. Maybe someone else can recommend something.
You state that you "love your wife and would never cheat on her". This is what I thought and was deceived as well with my wife.
What I did not realize was that when I was doing porn, I WAS cheating on my wife. It hurt her badly. One of her counselors told her that she had a biblical reason to divorce me. I'm not saying her counselor was completely correct, however, the sin is more serious then you may imagine.
It effects your wife's sense of security and security is one of the greatests needs for a woman.
Now picture your wife being "in love" with someone else while living with you. You have her physically, but her heart is with someone else. The pain you would feel is about the same pain you are putting your wife through.
You may not realize it, but you are in danger of losing your wife.
Confessing your sin to men you can trust also helps. Tell someone that you have a problem. Do you have a men's group at church that you can become apart of?
I cut my cable tv. Placing the computer in the living room, etc.
It is excellent that you realize that you have a problem and are brave enough to post it. Keep seeking. Don't think it will go away by itself.