Location: Pittsburgh, PA. I’ve just received the results yesterday that my 1 year old son isn’t biologically mine. He has my middle and last name, I signed the birth certificate. But I’m not his bio father. I learned my ex had an affair before she got pregnant. She was 100% convinced he was mine so she cut off the father. Of course I’m shaken, but regardless I’m trying to focus on what this means for our future. I would be fine with co parenting with his mother. Ideally we would both have him for 3-4 days each week. And I wouldn’t stop his real dad from at least being a part of his life if he wanted to. He is my son in my heart. Morally we felt like it wouldn’t be right to NOT notify the presumed biological father that he has a son. So we sat down and reached out to him. He said something along the lines if “Wow this is a lot. Of course this is a serious situation and before I make any decisions I’d like to get a DNA test”. That’s completely fine with me. Here is my issue.…