my ideas are so much more coherent in my head

Youth is for creating the rest of your life. Do things that you will remember for years. Act on your impulses, without sparing a thought for what the people around you will think. They’re just people, who cares what goes on in their heads about you? How could their inner, private thoughts ever come close to hurting you. Time will wash over your past, make sharp pains only a dull ache. Do things to laugh about later; be utterly ridiculous. Make yourself realize that the only thing that exists is you.