I am sorry to hear of your troubles. I can only imagine what you are going through. My husband has just had surgery for esophagus cancer and we are very lucky to have a strong marriage but it hasnt always been like that. At your stage of life everything seems hard, kids at school, work, finances, sex and finding time to be yourself, let alone dealing with serious health issues, but these things will and do get better.  Stay strong and dont let go, even if she leaves for a while, once she sees the grass is no greener on the other side and there is no one in her life as loving as you, she will return and your relationship will endure if you can forgive and let go of what has been a horrible time. Wishing you a happy, healthy future. ... View more