If you ignore minor chips or cracks in your windshield, they can spread quickly due to temperature changes or pressure

https://magic-wiki.win/index.php/Tips_for_Navigating_Windscreen_Repairs_Following_Unforeseen_Sports_Mishaps

If you ignore minor chips or cracks in your windshield, they can spread quickly due to temperature changes or pressure, leading to a full replacement being necessary sooner than expected.