Well....from the other side of the fence....I designed, drew the plans, and built our home. My DW seems to want to put in her 2 cents on stuff like this, but doesn't know what she is talking about! The chickens were my idea, I researched everything, including coup stuff. When it came time to build it I only needed helping hands not helping minds!
Also, worthy of noting is that chicken coups can take a long time to build. Most of us here are not building basic structures because we love our chickens so much. Though these structures are small, many have all the same features that go into building a house. I myself usually overbuild because I want it be strong and last....which means it costs more and takes longer to build.
So cut yer man some slack and give him the time to "git-r-done"!