Design Critique
To evaluate design, you must be impartial. You have to check your personal taste and predispositions at the door and consider whether the work succeeds in solving the problem at hand.
Here Jarrod is talking about design reviews in art school... but this resonates with my experience doing code review. One of the rabbit holes it's easy to fall into is picking at stuff you'd have done differently independent of whether or not it would actually make the work better.