Yes. Humans can survive on the same kind or type of repetitive sustenance for extended periods of time. Of course, “could you”, “would you”, or “would you want to” are all different stories. ~
Unfortunately... no. You see, eating nothing for 10 years would set a world record. And frankly I don't want the attention - everyone wanting to know how I did it, the media parking on my lawn, the food industry trying to silence me so they won't go broke, ....