Welcome to the best, and worst, years of your life. Welcome to acne, hairy balls, parents worrying if you do drugs, more acne, hairy armpits, itchy balls, zits, bitchy teachers, forgeted up voice, bigger richard, bigger muscles, more homework, more responsibility (more work), hatred of the world, hatred of your parents, hatred of the fuzz, the fuzz hating you, inflated insurance rates, stupid stunts, beer pong, and bongs, beers, and boobs. Welcome to your teen years.
By the way, the above block of words is a check list. Better get started soon, you only got 7 years.