Just understand that presumed paternity can be overcome. In a circumstance where no father is listed on the BC, then the husband, while being the presumed father, is not the official father. The child is also very young and doesn't even call him daddy, by his own admission. He is obviously very attached to the child and the child may be attached to him, but the child has clearly been raised to not consider him to be daddy.
I don't know how this one is going to go, but at two, its highly possible that the child won't even remember him by the time this gets to court. Does anyone here have any significant memories of people who were in their lives before two but not after? I don't remember either of my great grandfathers, with whom I was supposedly close, other than from pictures, and we lost both of them the year I was three.