No breast milk

D • Mama of 2,lost an angel, waiting on number 4💘💓💘 married-blessed💓
Posting this again because I need to know what to do now.
I never really had problems with breastfeeding my daughter but we recently found out my husband has cancer and I'm like still shocked and stressed, I just cant eat since days and I'm pregnant I have no idea what to do because I cant even breastfeed her and I dont wanna give her formula. I'm just lost dont know what to do, any advice?