You wouldn’t go out and buy clothes in a smaller size to have when you lose weight. So why do you keep the clothes in your closet from when you were at a different size?
Despite the emotional side of things, it is a good example of sunk costs. You paid for it, you have it, and you love it. Surely you will use it again someday.
Look around. How much are you holding on to because you think you might use it another day?
What would our environment, both internally and externally, be like if we only kept the stuff around us that we use currently or definitely will within the next 12 months?