you will regret it later in life
None, unless you want a hideous mark on you for the rest of your life. If you want a tattoo, go get one done by a professional. Yes it can be expensive, but it's forever. You'll thank yourself in the...
no they will still drop to the floor when not held firmly in hand.
A pen has ink in it so we can see the writing or you wouldn't be able to see what you wrote.
Because it is an Ink pen.