Decluttering is scary ~My life is made of unnecessary things~

The other day, my winter outerwear came back from the cleaning service that stores it for you... I opened the box, then quietly closed it again.   In the past few months, it's become a "no space for you!" situation. In fact, I'm more inclined to ask how all this even fit in there before.   ---   Actually, I have a question: If you live a normal life,   you receive dishes as congratulatory gifts, you receive souvenirs, you go to concerts and festivals and buy T-shirts you'll never wear again, you buy things on impulse while traveling that...