You think you know a person until you have to buy her a gift—then it feels like you don’t know her at all. I realized I didn’t know my roommate Amanda as well as I thought I did, even though we’d been living together for two years. Most of what I had was speculation: she was from some cul-de-sac/suburban utopia where all the houses sit evenly spaced from one another and look pretty much like the builders used a Xerox machine while constructing them. Her mom was the kind of parent who seemed to be heavily involved in the PTA and was the chaperone of every school dance. Amanda probably got her expectations on what romance should be like from watching Disney movies—where happily-ever-after is the end–all, be all. She also didn’t think Nala qualified to…