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having longer fingernails makes your fingers appear longer, especially with nail polish;it will attrack attention to you rnails rather than your fingers
Littlefinget
Trim them reguarly (obviously letting them get longer each time)
ya baby
teenagers need to grow to make them feel that they are no longer kids, or to manifest that they are already grown up.
you can get fake long nails at the nail salon
i don know
Not faster, but gelatin is supposed to make them stronger and less brittle.
Biotin is a B vitamin that makes hair grow faster. It will also make your fingernails grow, your skin glow, and your eyes look brighter.
there is a fluid in your blood that make hormones fizz and makes a hard nail coming from your nails!
I'm pretty sure they do. I'd check with a adult if I were you.