I think you are a wonderful husband to shop with your wife. My mother has never had a driver's license, so my father has always been stuck shopping with her. But he ALWAYS makes a trip to the parts store or hobby shop while they are out... just so she knows how it feels to shop for things you have no interest in!
I think you and your wife are absolutely adorable! Mine have been married 42 years and I swear they are too cute. There is something pure and lovely about people in love after so many years... and compromise is a healthy concept.