fixing marriage

I have never posted on a site like this before so I apologize if I don't follow typical etiquette and or length. I'm going to start with the backstory and the advice I am seeking at the end. I have the most amazing boyfriend ever. He loves me, cares for me and is everything I have ever wanted...

Let me start off here with some back ground. When I married my wife, I really wasn't ready for it, but thought it was the right thing to do. (I love our son, (not my blood) but he is my son and I wanted to be a provider for them.) It has now been roughly 3 years that I have been for lack of a...