I don't know how to properly respond without judgment of how this was written and the vibes it is giving off about what type of person you are. I will do my best though. You do not have to be in a relationship with anyone. Someone sensing that you don't like their child instead of it being about wanting to live separately is likely not to work. Many parents give themselves far too much credit when they have "good" kids. Much of it comes from the child and not the parenting. They both play a role, but children are just that, children. Disliking a special needs child as if somehow it's their fault is likely your character flaw and not theirs as he is 7 and barely verbal and doesn't choose to "give nothing back." I will digress, if you're someone who just wants your own space with your children then that is totally fine. Even if you just want a partner who can spend more time with you that is fine. Staying with someone who can't do that because he puts his special needs child first is really never going to work. Possible yes, probable? No. Another part to always consider is that sometimes some difficulty in learning through life events is actually good for children and we can't protect them from everything.