I'm really glad for this forum because it gives you a chance to get different perspectives and it challenges you to look at a situation from various angles. I really appreciate all the responses I got. I'm pretty sure all of us have been in this situation at one time or another.
I've come to see that I've played a small part in the turn our relationship/friendship has taken. I have been reluctant to committing to a relatlonship because I've been hurt in the past, so I've actually seen other people on the side, so I'm guilty too, but it's weird how you think if you don't get caught then it's okay and in your mind it's not really cheating.
I've known this guy for 10yrs, I met him during a business deal. He was interested in me, but I was coming out of a relationship so didn't give him the time of day, plus I wasn't physically attracted to him, but we were friends. He started dating someone else, so our contact with one another ended. I met up with him about 2yrs ago and he was out of his relationship and I grew to like the person he was because of the kindness he showed instead of his physical attributes, he's nice looking, but he's a bit chunky for my taste, however his niceness outweighed all that.
Anyway, we went out one night and have been together ever since. We never talked about our relationship/friendship; it was like everything was working out fine, so we never discussed boundaries or anything else. Kind of like it was understood we were a couple.
I take part of the blame, because I took our relationship for granted because I knew the hurt he's been through in the past. His wife cheated on him with the best man from his wedding, and a few other times, but don't have the time to get into it. He reminds me of the kind of guy I think women take advantage of; they take his kindness for a weakness and I've learned he not weak at all, just giving.
Since he and I talked, I've found out that he's been having suspicions about my actions as well, and to my surprise he was very specific to details which stand out in his mind, so he had been leary about our relationship/friendship as well. As far as that night he wasn't home I never got a direct answer, but it did give us a chance to finally talk about which direction this thing is going and have decided to end it as friends.
In the end, I've learned you can't have anything if you don't have trust.
Thanks ladies for helping me sort this out.