Anything you cannot relinquish when it has outlived its usefulness possesses you, and in this materialistic age a great many of us are possessed by our possessions.
Do not suppress it - that would hurt you inside. Do not express it - this would not only hurt you inside, it would cause ripples in your surroundings. What you do is transform it.
The simplification of life is one of the steps to inner peace. A persistent simplification will create an inner and outer well-being that places harmony in one's life.