Relationship…

Im in a place where I am so broken. My relationship has broken me down so much. Our son is 18months. His dad has cheated the whole relationship. I tried to do everything right. I hate that feeling of not feeling like I am enough. Its been a long hard 4-5years. I guess its my fault for being so forgiving and giving chance after chance. Now I’m just so heartbroken and lost and I don’t even know how to move on from this. Idk how to move on from him. I’m so angry and hurt. I just dk…,