Mental health is important. Low pay isn't good. Ask for a raise, then when they say no, you won't have any guilty feelings about leaving. If they say yes, then oops. Your position is very demanding, are you having second thoughts about this career choice? Accounting and law offices, were definitely places l worked overtime a lot. Either tax season, or a audit, or a rush in the law office that had to be done in time for court hearing was always ongoing.