Last month on the weekend before I turned 32, I treated myself to a 48-hour excursion to New York City. While I’d been before, this was my first time going alone. My husband’s aunt and uncle were gracious enough (as always) to let me stay with them AND give me a key so I was able to come and go as I pleased. I arrived on a Friday afternoon and left Sunday afternoon. After landing and spending some time with the fam, I hopped on the subway to head to my favorite stores in Midtown Manhattan. The minute I sat down on the 6, I reached into my bag for my phone-as all people do-and I realized I’d left it back at the apartment. I was frantic for a second because I thought there was no way I could manage finding my way around without it. Then I reminded myself it’s hard to get lost in Manhattan, especially in Midtown where it’s still on the grid system. My second thought was an ultimate 21st …