Clutter and extra material items do have an impact on your life. Take the time to clean out your office, car, computer and home. Ask yourself if you really need an item or if you have used it in the last year. No? Then chuck it. The less clutter you have around you, the less clutter you will have in your mind. Simpler is better.
“Don’t own so much clutter that you will be relieved to see your house catch fire.” ― Wendell Berry