Comparisons are fascinating and revealing, and the following photos illustrate this perfectly.
Objects show wear and tear over time - there's no mystery about that! However, when we compare them we can really appreciate the striking difference between an old and a new version.
Here are 17 before and after photos that illustrate the impact of time on objects (and a much-loved pet!).
1. A mail carrier's new cap vs one they wore for 5 years
2. The difference after it was watered
3. A very used LEGO keyring
4. Water means life
5. A graffiti-free bamboo stalk
6. The difference between 5 weeks as the season changes
7. Time to replace the doormat!
8. From romantic sunset to snowy morning
9. Look how grubby phone protectors can get!
10. A second later, from a different angle
11. From grimey and broken to pristine and intact
12. This only took a week or so
13. Farm-fresh vs supermarket-fresh
14. And it still loves crawling around his face!
15. New vs old skateboard wheel
16. When you take time to perfect your modeling skills!
17. After years of cuddles!