If you could sit down with your sixteen year old self, what advice would you give them?

Stop being so concerned about what the cool kids think of you. They are going to get old and wrinkled like you Some of them will die early from too much booze or drugs, some will actually kill themselves.

trust yourself more - you can do much more than you think you can

go for it - the worst thing in the world are the two words "what if"