Divorce

So next month makes 1 year i been married to my kids dad. We been lovers for 8 years he cheated before we married. And talked on the phone for 2 months with same lady 4 months into our marriage.. i was hurt and still fuss about it. Well hes been treating me bad and i dont feel loved. I try to stay for our kids but all we do is fuss and fight. I went apply for an apartment and got a divorce attorney. In my state we have to separate 1 yr first bc kids. Im getting cold feet for my apartment bc even tho im not happy i feel sad my family will be broken. Any tips i havent sign nothing yet