Depression or hormones ??😔

I’m 4weeks+5 with my first his 4th .. right now I’ve been so sad 😞 and all over the place ... I thought my SO would be more attentive towards me since finding out Doesn’t ask me how I’m feeling or if I’m ok, we don’t talk about the baby or come up with names he’s sorta distant he says he’s happy but I get the feeling he’s not or maybe I’m being to needy 🤷🏽‍♀️ he’s kinda an ass with the jokes or maybe I’m being sensitive. I have constant nausea and heart burn I just want him to Love on me and show some excitement about our newest addition.