When you are diagnosed with breast cancer, you will meet with a team of doctors, each of whom will tell you what to expect, including anything that can go wrong. They are just doing their jobs, but oh my, that is overwhelming! The vast majority of these complications and side effects will not happen to you. Do listen, because you will want to catch any problems early, but then stay in the present. Try not to spend March worrying about what could go wrong in August. I told myself "That is a problem for another day" when I would catch myself starting to worry. The thing I worried most about was the drug I will be taking for 5-10 years, and I'm doing just fine on that.