I am so sorry to hear of your situation,I am sending you love and hugs and strength to do what you need to, to get through this.
I am going through a seperation right now and it is very apinful for me and hard for my kids to see me so upset. I have no experiance with unfaithfulness so I don't really know what to tell you but to do what you feel is in the best intrest of you and your kids. I am so sorry for the pain you are in.