The reason I fold and crunch was brought home quite forcefully the other day. I had had a CT scan and an MRI done and the MRI came back with a pancreatic mass that was diagnosed as a possible cancer. If it is pancreatic cancer the survival odds are not reassuring: 30% chance of living 3 years and 5% chance of 5 years. I might be lucky, normally pancreatic cancer has no symptoms and so is usually diagnosed very late; in my case it was found by chance looking for a unrelated problem. In any case, all of my gpu's will fold and my cpu's will crunch at full speed until my lights go out permanently.