Gimme a Call

"See, I was at the mall and I dropped my phone into the fountain. And I had been thinking about all the things I would tell myself if I could call myself when I was fourteen. And now I''m talking to you."
"What," I say slowly, "are you talking about?" I would hang up, should hang up, but she sounds so familiar.
"Don''t you see?" she says, bursting with excitement. "I''m pretty sure I''m you. In the...