The author had a hard time letting go of things because she had memories of her children playing with them.Anastasia Babenko/Getty ImagesMy house became cluttered with my three kids' toys, clothes, and games.I got overwhelmed by all the kids' stuff everywhere and had difficulty letting go of things.I finally got rid of the clutter, and now we have room to make space for new memories.Before my oldest was born, I went on a shopping spree and bought everything I thought I needed for a new baby.