Being able to successfuly navigate any section of any clothing store.
Being able to differentiate between Junior's, Misses, and Woman's Size's.
Being able to look at any outfit and within a few seconds being able to determine if it will fit yourself or you wife/SO.
Being a good and more than eager shopping partner for your wife/SO, giving true and honest feedback for how an outfit looks, participating in all day shopping marathon's where you can can actually wear them out!
Having no shame or embarrassment at all when being sent out/ordered to buy feminine hygene products, because you have all of the previous experiment from buying GG items for yourself. Also being able to stand right in the middle of said aisle without blinking an eye picking out said brand, without blinking an eye. While in male mode of course.