It's happened to all of us (or least those of us who do quantitative work). You get back a manuscript from a journal and it's an R&R. Your excitement quickly fades when you start reading the comments. One reviewer gives a grocery list of additional tests they'd like to see: alternate control variables, different estimators, excluded observations. Another complains about the long list of robustness checks already in the manuscript, as it obscures the important findings. Sometimes both of these reviewers are the same person. And it gets even more complicated if the article ends up rejected...
