My best friend, Caitlin, and I have spent the last four years corresponding via mail more than text, emails, or phone calls. I love that we each have a record of the years we spent in college and our transition post-college. I love how we both save up our best anecdotes for our letters – even if we give each other a call before we receive our replies. Now that I have more time on my hands, I have become more interested in art form of letter-writing. While I’m waiting for Caitlin to write back, I find myself obsessing over how to write my next letter, from my writing instruments…