User blog comment:Zathronas/Analysis by an author: Penny/@comment-13616152-20131215044922

One possible step for Penny on the "being human" road could be discoverin there are multiples of her or that she's simply a prototype for something even more deadly. This would give her reason to doubt herself for the first time and think about how she can be human and uniqe when at any point she can just be "replaced."