Feeling disconnected

Is there anyone else that feels very disconnected from this pregnancy? I keep feeling like “what am I doing having another baby? I can barely keep up with my 3 year old toddler”

Financially we’re In a great place to have more kids. We have a huge home to fill but mentally and emotionally, even physically I just don’t feel like I can handle another child. I feel like I was meant to be one and done. I don’t feel connected to this baby and I definitely feel weird naming it. I’ve brought up adoption to my husband and he is completely against it. But he’s not the one that has to stay at home raising another child. His routine won’t change much. My life is just going to be completely different as well as my 3 year olds.

I feel like after I have this baby, I’m going to end up in a mental health hospital.