Devastated

I just found out about my husband's affair May 29, 2020. I found a phone that he had that I was not aware of. Looking through the phone and seeing the pictures and texts made me sick. I became nausea because I was so hurt. I had gone through this with him in 2018 and he assured me he had called the relationship off. I am devastated. I can't sleep, eat nor can I focus. I feel as if I am losing my mind. I have never felt a hurt like this and he acts as if he has done nothing. Please help me