How can my ex-husband cheat on me, this last time cheat on me with an escort, that was our final straw. Moves a week later with his work partners ex-wife, they have been in a relationship since then, is living very happy not lonely , with his new found love. and. here I am at home lonely sad and trying to figure myself out . How does he just get to move on like nothing ever happened and here I am trying to pick myself . just trying to navigate things and alone