I just wanna ask how does y'all deal w problems bw parents like major ones

I m 19 f Just wanna ask how you deal w problems of parents Long story short, my parent's relationship isn't great And there have been times Jha pr separate hone pe ajate h And there are lot more things like toxic masculinity, cheating,fight, dominance ,getting influenced by other, shitty friends(of my dad) My brother is small (13) and I m the middle child