no it has nothing to do with your growth
Yes, if it is made of the same material.
1920's is when American women started piercing their ears.
Ears really don't have dangerous veins. You should be fine piercing anywhere on your ears.
Nothing there is no such piercing.
Usually it depends on the piercing, but if its your ears you should be fine but just try not to touch it alot. If its not your ears you can shower but be careful not to get it caught on anything or move it alot.
Ears
tapers
like when they were born
Go to a professional piercing studio. Make sure the environment is sterile. Don't go to a studio that will pierce your ears with a piercing gun, or somewhere that does not sterilize their products.
Ever since they wanted to
To wear earrings.
Symmetry and decoration.