I can understand what you mean with learning to deal with the new you. I get very stressed at times and confused, I blame the 'chemo brain" but it is probably just ME.
I was the treasurer of a women's group, but when this happened to me in November last year, I had to take a break, couldn't cope and have treatment every 3 weeks. They are expecting me to take it over again this October, but I am in the process of typing them a letter to tell them I can't cope with it yet. My treatment finishes in November other than tamoxifen for five years, but this new me is not the confident old me, I need more time to adjust. I am not even a year after surgery yet, so reading that you still have the odd problem 7 years on makes me feel it is ok for me to be like this.
I wish you well in your future life and hope you don't have any more hurdles to cross, as you have been having.
Keeping that chin up attitude does help and I like your new motto that you have added to it. You can only do what you can!! Which is what a good friend once told me and it is true
Best of luck
X Jill