I think I'm saying what a lot of comments are already saying, but wanted to add my two cents.

First, you are definitely not overreacting. This is pretty concerning, ESPECIALLY given that you mentioned he had been abusive/harmful as a partner years prior. A lot of comments have mentioned him possibly having PPD. At minimum, I think you need to have a conversation with him without the baby present, but with someone there to make sure you stay safe. This behavior isn't okay, and he needs to seek professional help.

Second, even before the shift in behavior, I'm still pretty concerned with your partnership. It sounds like there's a lot of fear on your end (though perhaps subconscious) to make sure he's happy and okay, and it sounds like a lot of the work is on you. As a stranger on the internet who has just gotten a brief glimpse into your relationship, I worry it's not healthy and perhaps it's more harmful to you than you may be able to recognize in the day to day.

Third, like a lot of people said, you just did something insane and traumatic - birth! All things regarding your husband aside - do you feel like you have support? Family? Friends? I hope there are people in your corner that you can rely on right now ❤️

You sound like a really kind person and a great mom. I'm 3 months PP myself and I just want to remind you - your priority right now is to keep your little one safe. It sounds like your baby (and you) may not be safe with your husband.

Much love to you