It's often cute when couples dress in matching outfits. Artist Nonaine took this practice a step further with her Codependency Suit. It can be two separate outfits, or it can join together into one. At the link, you can see similar shirts and hooded capes that couples can use to bind themselves together.
Link via GearFuse | Artist's Website
It's an art thing. It's neat. It's a subject of mild interest to keep your world from being hopelessly mundane. Enjoy it.