 Why is it ironic that the narrator calls Doc his dad in the beginning?
I admit it: I didn't know if I was coming or going—but I know that if I stuck to the old man, I was a comer ... even if he was a goner! All my great-grandfathers have it. I found I couldn't focus both my mind and my eyes through the electric flashes of agony, so I concentrated on Doc's voice and trusted my hands would follow their habit pattern and construct the symbols for his words. They told everything I needed to know to become the most powerful man in the Solar Federation. I remembered that he was somebody very important whose name and work I had once known, even if now I knew him only as Doc.
 Doc is actually his dad, he only thinks it's a lie
 Doc is actually his dad, he only thinks it's a lie  His own dad is just as violent, so it's a fair comparison  He only met the Doc a few days ago and they don't know each other well enough to be family  Doc and the narrator are not actually from the same planet, and can't be related