Girls, how to change the situation or attitude towards it? I recently…

Girls, how to change the situation or attitude towards it? I recently gave birth to triplets, the pregnancy was long-awaited. As soon as I gave birth, relatives from all sides started giving advice and orders, for which I am grateful, but I already feel pressure from their side. From my side, they don't interfere much, but from my husband, they only know how to stick their noses in our business, like if we only gave birth or that we have special children, including his sister. She has one child, and she orders like she had given birth six times and has tons of experience, even up to why I don't feed them just with breast milk, but mixed with formula. Maybe I don