17. Focus on How your Items Makes You Feel
In her video, Marie Kondo always encourages the viewer to keep whatever clothing item that helps them 'spark joy'. We could understand that she's talking about the way the item looks.
However, you might sometimes feel that it doesn't fit now, or you might feel unhappy when wearing it. That's why you should consider your feeling when you put the clothes on. If you feel comfortable and confident, then it's something you should keep.