text:  So every single cycle of evolution, you've got to make the protein, then you've got to mutate it, and then you've got to screen all the different mutants. You've got to figure out which mutant was the good one, right? You pull that guy out, and then you've got to mutate it again, right? So that's like one cycle, right? So normally that cycle, if you don't have a life, you don't have a girlfriend, you don't have a social life, you can do one cycle in a week, okay, which is pretty fast, right?