One thing my clients have in common is the need to downsize. Some are moving into smaller quarters. And others are interested in getting rid of stuff that has accumulated over time and has taken over valuable space in their homes. According to Japanese organizing consultant and best-selling author, Marie Kondo, it all comes down to one over-arching question: Does your stuff make you happy — or in Kondo’s words, spark joy? “If it does, keep it,” she writes. “If not, dispose of it.” Hear what she has to say in this short video.