Hello Me, It's You,
I know things seem really hard at the moment, but they will get better. Right now, you're 16, have no idea what you're going to do with your life, have major social anxiety and depression and feel so alone. You've always felt like an outsider and sadly, that won't change any time soon, but you will become comfortable with yourself and will meet an amazing boy that will make you wonder where he had been all your life (although you will go through a LOT of shit with other boys first...)
Don't worry, the nose you've always hated will become one of your favourite features when you're 21 and finally get the surgery you've wanted all your teenage life, and it will be the best thing that will ever happen to you. You will become more confident, you will like yourself a lot more and you will be more comfortable in your own skin. However, appearances aren't everything. Nourish the time you spend with loved ones, for they won't be around forever. Embrace your grandmother whilst she is still coherent, find out all of her stories and if possible, record them in some way, for soon she will be unable to hold a "normal" conversation with you.
Things get better and whilst you still have a lot of demons to battle, you're a lot better at 24 than you were at 16. Remember these words (which you will later get tattoo'd down your spine): What matters most is how well you walk through the fire.