Feeling like a burden

I'm 6w2d and my SO and I fought about finances for the 100th time tonight. Even though I DO work, he brings in most of the income. And says shit like, "MY house, MY electricity, and MY money"

I thought we were supposed to be a team. Now i don't know if I'll even feel comfortable staying home with the baby for the first few months like we originally planned.

I feel like such a loser. Is this my pregnancy hormones at work, or am I right to feel uncomfortable about his words?