I move to New York with everything I own stuffed inside four large trash bags. Left behind in Boston is a mattress, a nightstand, a small bookshelf, and an entire life. I am a 19-year-old with an ID that says I’m 22. A friend of a friend of a friend has a sister subletting her studio in Murray Hill for $1100 a month. I find someone to split the cost with, and we purchase a twin-size blow-up mattress.