broken marriage

I honestly feel like I'm falling apart he cheated many years then I cheated once and he still wanted us to work out but he got his revenge and cheated on me AGAIN.... he still wants to be with me and tells me to stay and a week after I found out he cheated I find out I'm pregnant with baby #6 I'm going out of my mind... I feel so so lost and confused and now scared more than ever please I need advice from someone outside my marriage and family I feel so lost I'm actually asking for advice here of all places .... help....