remember,the robot is you,do you seriously think that even if you spent a thousand years on it you would find a cure for cancer,also,who said you suffered cancer?,you just die
Step1: Both you and your copy agree that you want to take over the world, so you spend the rest of your time on earth with your copy, updating and beefing out the robot suit,
Step 2:then as you reach old age, your robot copy helps download your mind into another beefed up robot body/ Immortality suit.
We fight to the death with our copy only to realize in the end that we are too alike to kill one another. then, due to a new found respect for each other we set off on a quest to defeat the Creator and defeat the odds. Unfortunately, the Creator catches on to our plot and begins preparations to thwart our scheme. Through the perils and onslaughts, including dragons, ogres and 9gags, all brought into being by the dastardly Creator, we finally reach the Creator's castle. Along the way we met a tin man, a lion, a scarecrow, and a hillbilly gurl, all of whom despise the Creator and give us further reason to despise him. We enter the castle which seems to be in a state of organized and repetitive DOOM. We manage to leap over the cauldrons of lava, defeat his fungi minions, and punch that mushroom man in his "the princess is not in this castle" little face. We finally meet the Creator. We ask him if he has any last requests. The Creator spins around in his evil, black. spinney chair-thingy all evil masterminds have and says, " Imma need about tree fiddy." It was only then that we realized the Creator was 8 stories tall and was a crustacean from the Paleozoic era.
Obvious question is obvious.
All that you are, is your mind. Your memories are what builds your personality, and if the brain is copied into the robot, than you are now a robot.
1000 years of adventure and experimenting. Tweaking and changing all hypotheses until they were 100% correct. Proving or disproving time-travel and deep-space travel.
It depends, do you want to enjoy another few years, or are you that much of a self centred ass that you believe that you are blessing people with your presence for another 1000 years?