Hey Maria.....glad to read that things are fine. By the way I always knew that your mind was the problem!! :-)
Part of the difficulty in dealing with infidelity (for me anyways) was not really the act itself. It was more the lies and deceit during those days. I have forgiven, forgotten and pretty much buried it. WAS will have to live with it and they can put the spin on it that they want but they effed up.
Now in your case Maria (and for the benefit of anyone reading this very popular thread) the problem probably lies in the duration of the so called relationship and your ability to obtain "ALL" the details. I beleive part of the DB mantra is not to dig too much for info. Once you have the info. you need, decide what actions to take period. I know easier said than done. However, maybe the mind would not be having so much difficulty if it had not been exposed to so much information. Too late I know. It happened to me as well....too many details does not help.