Breast Cancer

My wife age 42 has been diagnosed with stage 3 bc recently. kids 8 and 10 years old. Life was going pretty good but it is great shock all of a sudden.

Hi, this is my story:
My wife is Swedish from Stockholm. She is 28. I am french/swiss from Geneva Switzerland. I am 39. We got married in Stockholm last July 2006 and life looked great. We are living in Geneva. My wife was diagnosed with a aggressive breast cancer last december while being 5 weeks pregnant.
Prognosis is good. Negative lymph nodes and nothing in the margin of the tumour when it was removed. She is on cycle 5 of chemo with Taxoter. Life is hell. We are arguing all the time. She is nagging at me all the time about me not be a good support and not taking my responsibilities. On my side I have being trying my best to support her as much as possible. Even forgetting about me. I realized that last week that I needed to take some time for myself and I believed that she understood. Her mother is now visiting from Sweden and she is also nagging at me. I had to step outiside today needing to get my breath back. I am so tired and emotionally shocked I saw no other action but to see a friend. She did not want to let me go. Called friends to see if I should step outside. They all encouraged me to do so. What happened was terrible before I shut the door. Her Mom started at me then her then I simply could not hear those aggressive and shouting voices anymore. I left. While walking down the stairs I heard glass breaking and extreme screaming. It hurt me so much but I knew I had to walk out on this one.
Have been talking with a friend for the past hour. I am now in a public library writing this mail. In a hour I will meet a cancer league volonteer and at 19h00 a shrink. Indeed I was told all this could help. I try figure out what I have done wrong here and I simply get depressed. Cancer is hard for the patient but emotionally also terrible for the husband/partner.
There are of course many other factors in our past, present and futur that I should mention here but I don't have the energy.
Any advice is welcome. Thanks for reading my words.
Philip