There is a white, round scar, about the size of a dime, halfway up the inside of my calf. Like the tattoo on the bottom of my foot, I forget that it's there sometimes, but as soon as I catch a glimpse of it out of the corner of my eye, it always makes me smile.

My travel buddy Michelle and I had just spent a long night on a sleeper train (if you ever get a chance to sleep in a bed on a train do it, it's the coolest feeling) from Hanoi to what we thought was Hoi An, Vietnam.

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