Goddammit, I cannot believe you are 21 years old. Where has the time gone? What about all of the sisterly moments we’ll never have again because you’re now really, really, really an adult? (Wait, you’re the one who was already acting like the adult . . . so that’s probably not going to be a problem.)
I love you, and I know that makes your soul feel icky because you’re a weird little Sagittarius, but that’s fine. I hope 21 is an epic year for you. Happy, happy birthday, penguin.