This summer, two best friends decided to revisit a part of their past. Megan Piercey Monafu and Amy Grace went to Sackville High together. Now Megan lives in Ottawa, and Amy in Halifax. For 16 years, they've held on to the handwritten notes they gave to each other as teens. In part one in their three-part series, What We Carry With Us, Megan and Amy unfold these messages from the past.