David Nicholls said this quote

What are you going to do with your life? In one way or another it seemed that people had been asking her this forever; teachers, her parents, friends at three in the morning, but the question had never seemed this pressing and still she was no nearer an answer... Live each day as if it's your last', that was the conventional advice, but really, who had the energy for that? What if it rained or you felt a bit glandy? It just wasn't practical. Better by far to be good and courageous and bold and to make difference. Not change the world exactly, but the bit around you. Cherish your friends, stay true to your principles, live passionately and fully and well. Experience new things. Love and be loved, if you ever get the chance.