On MN, the only acceptable responses to the question “Do you have a favourite child” are:
a) “Of course not! How dreadful to even suggest it! I love them all equally”, with the following optional caveats:
a. “I was so in love with DC1 that I didn’t think I could possibly love DC2 as much, but of course I did!”
b. “I didn’t feel the rush of love with DC(B) like I did for DC(A), but I absolutely adore them equally now.”
c. “…but I like them differently at different times!” (note - this must miraculously balance out so that all DC get an equal go at being most-liked)
b) Silence
Having a long-term preference for one of your DC seems to be the ultimate taboo that very, very few people will admit to. But what other relationships do we have that come loaded with the absolute, unshakable expectation of unconditional and equal love? It is acceptable to fall out of love with your partner, cut off a friend, to go NC with your siblings or even your own parents. But if you so much as hint at the fact that you feel a level of spontaneous love for one DC that you don’t feel for another, you are vilified as a mother.
You don’t have to spend very long on MN (or anywhere) for it to become abundantly clear that some people are, frankly, not particularly nice. These people were all children once, and I assume not all of them are the way they are because of damaging upbringings. Children are still people – albeit small, vulnerable people – and some children are simply less likeable than others. Perhaps some parents struggle to bond with one of their DC because they really are, objectively, harder to love.
I was deeply impacted by my parents dreadful marriage, and I can’t tell you the number of times I have wanted to post “for fuck’s sake, can’t you see the horrendous damage you are doing to your children, stop being so fucking selfish/weak and just leave” in response to a thread. But I don’t because a) the poster already knows, b) it isn’t helpful and c) I have enough imagination to see that situations are rarely simple and my experience isn’t theirs. Can you imagine responding to a thread about an abusive relationship by recounting the history of your own happy marriage?
Of course, there are some shocking and heart-breaking stories on this thread about parents who have behaved disgracefully and should rightly be held accountable for their children’s suffering. But we have no reason to think that the OP is behaving like this. She is a parent who is seeking to be a better parent by reaching out about something she knows is probably a problem.
OP, I don’t know what the solution is for your situation, but I hope you find a way forward.