Not happy at work. Long post sorry

I have worked for this company for almost 10 years now. I loved my job at first. I moved up into management and did that for about 6-7 years. Last year after my 4th pregnancy loss I couldn't handle all the stress and had been becoming unhappy for the last few years. After this loss I felt they didn't care about me as a person. I stepped down and it was a year of sadness and learning to adjust. I have been vocal about my disappointment of how things have gone and been "talked to". Now I realize I'm just still bitter and unhappy. I've tried looking for another job but cannot take another pay cut. How do I control myself when I'm so unhappy?