It does seem rather apparent that he experienced death at an early age. However, I don't think I would interpret his longing for his 'other' parents as necessarily preference.
Try looking at it this way: If, say, a parent had 2 children and lost 1 of them, and missed that person, that would not mean that s/he preferred the lost child over the living child, right? It would just mean that s/he missed the child who left.
Likewise, your son clearly misses his 'other' parents...that's natural! For him, it appears that he lost them fairly recently, at least in his awareness. So what you're seeing is that longing, that missing...I don't think I would interpret that as a preference.
Perhaps by reframing this situation into one of him missing his other loved ones, instead of thinking that he prefers them, it might help you to in turn help him navigate the corresponding emotions without adding your own hurt feelings to the mix.
I think it's natural to feel a bit disconcerted and maybe even a bit hurt. My suggestion is to focus on the honor of having been chosen as this child's mom.
Try looking at it this way: If, say, a parent had 2 children and lost 1 of them, and missed that person, that would not mean that s/he preferred the lost child over the living child, right? It would just mean that s/he missed the child who left.
Likewise, your son clearly misses his 'other' parents...that's natural! For him, it appears that he lost them fairly recently, at least in his awareness. So what you're seeing is that longing, that missing...I don't think I would interpret that as a preference.
Perhaps by reframing this situation into one of him missing his other loved ones, instead of thinking that he prefers them, it might help you to in turn help him navigate the corresponding emotions without adding your own hurt feelings to the mix.
I think it's natural to feel a bit disconcerted and maybe even a bit hurt. My suggestion is to focus on the honor of having been chosen as this child's mom.