Because this area of research is fairly young, we are just now finding out how wrong you are - that many people who are now in their 70's and 80's are now talking about how difficult their life as a picky eater was.
As a former pickyeater myself, I understand the fears of trying new foods — but I also am living proof that you can work past that when foods are continually offered in a non-threatening, no - pressure way.