Choosing to Die or Choosing Death by Robot

In the future thru life extension we will be able to choose when we die. There will be miracle drugs, Super Vitamin C and replacement parts such as artificial limbs, hearts, lungs and the latest and greatest robotics. Will be choose to remain 100% human or extend life thru robotic parts, merging with machines? One might choose to go natural, but as we may choose to replace parts and live to see our great, great, great, great grand children if the Earth does not fill up with too many people? Or we may choose for space colonies since there is estimated to be over 30 Billion humans on the planet by 2050.

Will death by robot become a reality? When we replace parts until we are more robot than human and at what point do we cease being human and become something else? Well it is true "choosing to die" does not currently have anything to do with robotics, but it will soon. And soon enough we will cure every disease and delete many of the accidents that happen to humans and be able to "fix them" and stop aging. Many have prophesized this and Ray Kurzweil has a number of followers of his