I smashed my fingernail in the door is it going to fall over off? this happened about a month and a partly ago it is still...

this happened about a month and a half ago it is still black underneath my partially of my nail from the bruising but i was wondering if my nail is going to crash down off cause my friend said it would but i dont think it will i didnt smash it that impossible, is it just gonna grow out again or what?
Answers:    I don't think the nail will slop off but the bruising will last for about a month the fastener will grow and the blackness will slowly disappear.

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