I’m so new

Hey I, so new to this! I only got it to track my first period anyways I figure I minus well get some understanding of this. So what is the cherry? How do u pop it, when I need to put a tampon it will it hurt? How do I masturabte cause rubbing doesn’t do anything and I’m to scared to finger (14 years old) and just any basic knowledge bout sex? Lol THANKYOU if you reply!