How can I make my nail's free edge not grow so quickly?

The free edge of my fingernail, or the white strip where your nail is disconnected from the bed, appears very early on my fingernail. This makes them extremely easy to get dirty and I constantly need to clean under them multiple times a day. Is there anyway to let my nails grow with the free edge forming so fast? It hurts to keep them super short, and growing them all the way out isn't my thing.
How can I make my nails free edge not grow so quickly?
How can I make my nail's free edge not grow so quickly?
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