Over the past decade, there have been plenty of home decor fads, trends and obsessions that have been unable to stand the test of time in terms of usefulness. Anyone else immediately remove popcorn ceilings upon the purchase of a new property? So what exactly makes a design trend achieve longevity? Enter: hygge. Pronounced hoo-gah, this Danish decor practice combines the lifestyle of enjoying each moment to its fullest with relaxing and cozy interiors.  There are several key principles