Hi, I was going through the boards here, trying to get posts organized better, and I came across this. Sorry no one had an opportunity to reply to this. Hope we can all help encourage and get you motivated to make a change. 
The TRX would benefit you very much. Do you currently own a TRX, or are you seeking to acquire one?
Fitness can really help you feel better, both physically and mentally. That is awesome you have survived cancer. I've lost a grandfather to cancer, and it's never a good thing.
It sounds like life has been somewhat of a rollercoaster through the years for you. But it's never too late to turn that around, and make life exciting, energetic, and fun. 