Hey 15 year old, Some up coming life
Hey 15 year old, If you're worried about something, write down all your worries on a paper and crumple it up, cut it with scissors or destroy it in any other way. It will help make you feel better.
Hey 15 year old, It's better not to make big decisions when you're in an a very emotional mood. Get some rest and some sleep first, then when your head is a little more calm the next day, make a decision.
Hey 15 year old, It's okay to be an introvert if you feel more comfortable being alone. Look up keywords like "strengths of introverts," "benefits of being an introvert," and "brains of introverts," if you're convinced being an introvert is wrong.
Hey 15 year old, Oftentimes, you have to look for good role models around you. It can be someone you personally know, someone famous or someone fictional, it just helps if you have a specific image of what you want to be, but choose carefully.