We can probably thank Gigi and Zayn, and even Kim and Kanye for their stylish collaboration habits, but for those who have experienced couples who opt for the matchy-matchy look, it begs the question, coincidence? Even though we can’t diss their style code, there seems to be an unwritten law when it comes to the importance of style. Allow us to demonstrate with five quirky things fashion-conscious couples take into serious consideration. 1. The Synergy Effect You know when the ligh