Please help my life’s in danger

been with my husband for 20 year 8 kids 4 older ones, mind you the older ones 22 21 16 my husbands runs for advise for some reason for like a back up’ anyhow when my husband doesn’t agree with with me on things so he goes to thee older kids and like to twist things up like if I’m the bad person, so long story short they all be against me, after don’t know what to do, I own my own house I own my cars but the thing is my kids hate me because what there dad put in there head, I’m always in tears my kids don’t respect me I don’t know what to do I asked him please divorce me. And his Anwers were I’m going to make you miserable. Please anyone out there I need help