Broken

My babydaddy just broke up with me and doesn’t want to be in my life or our sons life I feel some broken idk how I’m suppose to move on when I have to see him literally everyday at work we work in the same department same shift same everything how can I face someone who doesn’t want to be in our lives anymore my son about to be one years old and nobody in his family even know about him he has three other kids none of those kids know about my son he’s very active in their lives but not my son what did I do to deserve this I’m still in love with him I begged him to stay with me he told me no multiple times I just need help moving on please ladies