Dating a workmate
Also, if the answer is that you DO want to work on your marraige, you need to break your friendship off with your co-worker.
I thought that my concerns were just fear and that if I put the brakes on I was going sabotage the best thing that I had at that time, I thought that my fears would fall away by the idyllic life I was going to lead with a woman who loved me and her daughters with whom we were going to make a perfect family.
How about trying to be responsible for and accountable for your own life and figuring out what actually makes you happy? If you reach the conclusion that your marriage is over you need to deal with the consequences and details of that rather than cheating.
Understand if you leave your marriage that does not necessarily mean this other woman is going to leave her marriage. Your relationship at work if it does not go the way you want will be impacted along with your professional lives.
We have been working very closely, at work we face the same kind of pressures doing the same kind of work and being in the same field we can relate to each other's points of view and approaches.
Over a year ago I started to suspect that my wife was cheating on me, I found some strange text messages on her phone and was having a major bummer of a day, I asked my workmate if we could have coffee, which was not unusual, so we went out together and I opened up about what I had found in the hope to get a level headed female perspective.
Your unhappy in your marraige, and you are interested in another woman.